Feature - Header, sidebar, buttons, dropdown - wms-7,wms-9,wms-12,wms-20 (#18)

* sidebar and header design completed

* Feature - Button Component

* feature - create component for dropdown

* feature - made changes for style of Dropdown

* Fixed Search Icon import

* Linted

* Removed package lock

* Removed: index page style

* Removed: unused style.css file

Co-authored-by: hiren1212 <hirenpadsala12@gmail.com>
Co-authored-by: Llewellyn Dsouza <lledsouza2209@gmail.com>

public/index.html

@@ -22,7 +22,7 @@ Software.
     <meta name="theme-color" content="#1A73E8" />
     <link rel="apple-touch-icon" sizes="76x76" href="%PUBLIC_URL%/apple-icon.png" />
     <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
-    <title>Material Dashboard 2 PRO React</title>
+    <title>WMS - Plaidware</title>
     <link
       rel="stylesheet"
       href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap"