feat(assets): Change default CSS framework to Tailwind

* enhance(view): Add light default styling for Tailwind
* chore(view): Clean up unnecessary selectors and spacing
* feat(acorn): Update Acorn for Laravel 8.x
* chore(acorn): Create default `bootstrap/` project directory for Laravel 8.x
* refactor(acorn): Split the Acorn bootloader between `functions.php` and `bootstrap/app.php` to coincide with Laravel
* refactor(assets): Lighten the out of the box CSS boilerplate
* refactor(assets): Rename `dist/` to `public/` to coincide with Laravel
* refactor(assets): Flatten the `assets/` directory into `resources/` to coincide with Laravel
* refactor(assets): Rename `scripts/` to `js/` to coincide with Laravel
* refactor(assets): Rename `styles/` to `css/` to coincide with Laravel
* feat(deps): Update to Laravel Mix ^6.0
* chore(deps): Change Mix-related package.json `scripts` to the new `mix` binary
* chore(deps): Remove PurgeCSS in favor of Tailwind's built in purge
* chore(deps): Remove deprecated/unnecessary/unused dependencies
* chore(deps): Bump minimum PHP version to 7.3 to coincide with Laravel 8.x

composer.json

@@ -39,11 +39,11 @@
     }
   },
   "require": {
-    "php": "^7.2.5",
-    "roots/acorn": "^1.1"
+    "php": "^7.3|^8.0",
+    "roots/acorn": "dev-laravel-85"
   },
   "require-dev": {
-    "filp/whoops": "^2.7",
+    "filp/whoops": "^2.9",
     "squizlabs/php_codesniffer": "^3.5"
   },
   "suggest": {
@@ -59,7 +59,7 @@
   "prefer-stable": true,
   "scripts": {
     "lint": [
-      "phpcs --ignore=index.php,vendor,resources,storage,dist --extensions=php --standard=PSR12 ."
+      "phpcs --ignore=index.php,bootstrap,public,resources,storage,vendor,node_modules --extensions=php --standard=PSR12 ."
     ],
     "post-autoload-dump": [
       "Roots\\Acorn\\ComposerScripts::postAutoloadDump"