✨ Implement design system (#2050)

* split up main, sass imports, import new nds

* migrate most buttons

* update sizes based on feedback

* update copy buttons

* update executions list

* fix issues

* force message box buttons

* update warning color

* update more buttons

* wrap message box buttons

* update last component

* lint fixes

* add build report step

* breakout imports

* set package.json

* fix notification bug

* clean up imports

* use build directories directly

* update imports

* remove xl size

* update number inputs

* fix input width

* update line height, fix icon bug

* fix up editor

* fix spacing between buttons

* Reset line height

* revert changes to this

* revert changes

* clean up button sizes

* change to outline

* update select height

* update tooltip

* remove build report step

* clean up impl

* remove regenerator runtime

* add design system repo

* apply editorconfig

* apply editor config prettier

* lint issue

* switch to tabs

* switch to single space

* update eslintrc

* remove git modules

* update sass package

* support dart sass

* add build

* update dependency

* update contributing.md

* set repo

* update versions

* add tslint step

* update spacing to spaces, add dev step

* add test step

* add test step

* update browser lint rc

* remove .github

* delete .gitignore

* set comment for icons

* remove preview link

* update button interface

* update types

* set types

* clean up intro

* update intro

* remove assets

* move into preview

* remove headline comment

* reduce theme build

* loading executions

* match deps versions

* match deps versions

* fix lint issues

* fix lint issues

* update callback

* disable codacy for docs.css

* fix storybook issues

* add design system to docker image

* update spacing around delete sort button

* set line height to stop juggling headline

* update sizes

* clean up vars

* fix scss issues

* update button vars

* add shade color

* fix button without click

* fix buttons bug

* fix bug with executions list

* clean up theme

* update link styling

* fix typo

* run prettier

* 🎨 code format

* 🎨 code format

* 🔥 remove empty files

* ✨ N8n 2284 new inputs (#2075)

* implement inputs

* prettier fixes

* revert unnessary change

* move input components and tooltip

* remove form elements

* move select

* update input placements

* update sizes

* update credentails

* clean up select size

* fix caret issue

* update inputs

* clean up select

* fix tags dropdown border

* clean up tags input

* fix workflow name bug

* clean up select here

* add sizes template

* fix option caret

* fix input sizes

* update date input size

* remove tags input override

* update prop

* update input size

* center run data inputs

* update disabled colors

* update execution header

* update scrollbar

* update text area spacing

* fix items in header

* update run data tooltip

* remove popover

* update prefix positions

* add filterable demo

* address design issues

* fix input issues, flip boolean input to text

* update input sufffix colors

* remove override

* speed up switch, fix toggle spacing issue

* update icon

* remove icon classes

* clean up inputs

* clean up inputs with icons

* update input spacing again

* update suffix position

* build

* Add support for xlarge inputs

* fix input issues

* fix input issue

* update listeners

* update number inputs for settings

* update append/prepend spacing

* clean up inputs, set expression input as text

* fix type errors

* fix workflow number input

* fix tags dropdown bug

* fix bugs

* fix menu item bug

* remove font weight from link element

* remove default

* fix select option

* fix contrast issues

* allow overflow x for multi selects

* fix icon

* update options select

* fix issue that resolves expression to null

* update how actions are centered

* fix up selects

* update selects to support limiting size

* update option styles

* ⚡ Apply suggestions BHesseldieck

Co-authored-by: Ben Hesseldieck <1849459+BHesseldieck@users.noreply.github.com>

* 🎨 code format

Co-authored-by: Jan <janober@users.noreply.github.com>
Co-authored-by: Ben Hesseldieck <1849459+BHesseldieck@users.noreply.github.com>
Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com>

* ⏪ Revert "🔥 remove empty files"

This reverts commit e91ace4e52403f4a6b00b7be68b86fc48b7d8fef.

* ⚡ Remove private from n8n-design-system package

* 🎨 Change to spaces to stay consistent with editorconfig & others
package files

* ⚡ Fix year in license

Co-authored-by: Ben Hesseldieck <1849459+BHesseldieck@users.noreply.github.com>
Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com>
Co-authored-by: Jan <janober@users.noreply.github.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/design-system/theme/src/loading.scss

@@ -0,0 +1,96 @@
+@use "mixins/mixins";
+@use "./common/var";
+
+@include mixins.b(loading-parent) {
+	@include mixins.m(relative) {
+		position: relative !important;
+	}
+
+	@include mixins.m(hidden) {
+		overflow: hidden !important;
+	}
+}
+
+@include mixins.b(loading-mask) {
+	position: absolute;
+	z-index: 2000;
+	background-color: rgba(255, 255, 255, 0.9);
+	margin: 0;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	left: 0;
+	transition: opacity 0.3s;
+
+	@include mixins.when(fullscreen) {
+		position: fixed;
+
+		.el-loading-spinner {
+			margin-top: #{- var.$loading-fullscreen-spinner-size * 0.5};
+
+			.circular {
+				height: var.$loading-fullscreen-spinner-size;
+				width: var.$loading-fullscreen-spinner-size;
+			}
+		}
+	}
+}
+
+@include mixins.b(loading-spinner) {
+	top: 50%;
+	margin-top: #{- var.$loading-spinner-size * 0.5};
+	width: 100%;
+	text-align: center;
+	position: absolute;
+
+	.el-loading-text {
+		color: var(--color-primary);
+		margin: 3px 0;
+		font-size: 14px;
+	}
+
+	.circular {
+		height: var.$loading-spinner-size;
+		width: var.$loading-spinner-size;
+		animation: loading-rotate 2s linear infinite;
+	}
+
+	.path {
+		animation: loading-dash 1.5s ease-in-out infinite;
+		stroke-dasharray: 90, 150;
+		stroke-dashoffset: 0;
+		stroke-width: 2;
+		stroke: var(--color-primary);
+		stroke-linecap: round;
+	}
+
+	i {
+		color: var(--color-primary);
+	}
+}
+
+.el-loading-fade-enter,
+.el-loading-fade-leave-active {
+	opacity: 0;
+}
+
+@keyframes loading-rotate {
+	100% {
+		transform: rotate(360deg);
+	}
+}
+
+@keyframes loading-dash {
+	0% {
+		stroke-dasharray: 1, 200;
+		stroke-dashoffset: 0;
+	}
+	50% {
+		stroke-dasharray: 90, 150;
+		stroke-dashoffset: -40px;
+	}
+	100% {
+		stroke-dasharray: 90, 150;
+		stroke-dashoffset: -120px;
+	}
+}