feat: Sets up portal public views with rails ERB and tailwind (#5309)

* feat: Sets up portal public views with rails ERB and tailwind

* linter fixes

* Remove duplicate style file

* Shows articles and categories

* Specify layout for articles page

* Updates public portal styles

* Fixes blog content styles

* Portal style updates for article page

* Review fixes

* Adds breadcrumbs

* fix: rspec

* fix: public portal spec

* Code climate fixes

* Adds test cases for missing files

* Show only published articles

* Updates help center routes

* Review fixes

* Render markdown content for aticle body

* Update app/views/public/api/v1/portals/articles/index.html.erb

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

Co-authored-by: Sojan <sojan@pepalo.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: tejaswini chile <tejaswini@chatwoot.com>

package.json

@@ -23,6 +23,7 @@
     "@chatwoot/utils": "^0.0.10",
     "@hcaptcha/vue-hcaptcha": "^0.3.2",
     "@rails/actioncable": "6.1.3",
+    "@rails/ujs": "^7.0.3-1",
     "@rails/webpacker": "5.3.0",
     "@sentry/tracing": "^6.19.7",
     "@sentry/vue": "^6.19.7",
@@ -50,6 +51,7 @@
     "semver": "7.3.5",
     "spinkit": "~1.2.5",
     "tailwindcss": "^1.9.6",
+    "turbolinks": "^5.2.0",
     "url-loader": "^2.0.0",
     "v-tooltip": "~2.1.3",
     "videojs-record": "^4.5.0",