ci: Ensure that eslint runs on all frontend code (no-changelog) (#4602)

* ensure that eslint runs on all frontend code

* remove tslint from `design-system`

* enable prettier and eslint-prettier for `design-system`

* Delete tslint.json

* use a single editorconfig for the repo

* enable prettier for all code in `design-system`

* more linting fixes on design-system

* ignore coverage for git and prettier

* lintfix on editor-ui

packages/design-system/src/components/N8nFormInputs/FormInputs.stories.js

@@ -71,12 +71,12 @@ FormInputs.args = {
 		{
 			name: 'agree',
 			properties: {
-			  type: 'checkbox',
-			  label: 'Signup for newsletter and somebody from our marketing team will get in touch with you as soon as possible. You will not spam you, just want to send you some love every now and then ❤️',
-			  labelSize: 'small',
-			  tooltipText: 'Check this if you agree to be contacted by our marketing team'
-			}
-		  }
+				type: 'checkbox',
+				label:
+					'Signup for newsletter and somebody from our marketing team will get in touch with you as soon as possible. You will not spam you, just want to send you some love every now and then ❤️',
+				labelSize: 'small',
+				tooltipText: 'Check this if you agree to be contacted by our marketing team',
+			},
+		},
 	],
 };
-