Add Django, Rails integration instructions to docs and move cli login to overview page

docs/integrations/frameworks/django.mdx

@@ -2,4 +2,20 @@
 title: "Django"
 ---
 
-Instructions coming soon.
+Prerequisite: [Install the CLI](/cli/overview)
+
+## Initialize Infisical for your [Django](https://www.djangoproject.com) project
+
+```bash
+# move to your Django project
+cd /path/to/project
+
+# initialize infisical
+infisical init
+```
+
+## Start your server with environment variables injected
+
+```bash
+infisical run -- python manage.py runserver
+```

docs/integrations/frameworks/fiber.mdx

@@ -1,5 +1,5 @@
 ---
-title: "Fibre"
+title: "Fiber"
 ---
 
 Coming soon.

docs/integrations/frameworks/nextjs.mdx

@@ -4,7 +4,7 @@ title: "Next.js"
 
 Prerequisite: [Install the CLI](/cli/overview)
 
-## Initialize Infisical for your [Next.js](https://nextjs.org)
+## Initialize Infisical for your [Next.js](https://nextjs.org) app
 
 ```bash
 # move to your Next.js app

docs/integrations/frameworks/rails.mdx

@@ -2,4 +2,20 @@
 title: "Ruby on Rails"
 ---
 
-Instructions coming soon.
+Prerequisite: [Install the CLI](/cli/overview)
+
+## Initialize Infisical for your [Rails](https://rubyonrails.org) app
+
+```bash
+# move to your Rails app
+cd /path/to/project
+
+# initialize infisical
+infisical init
+```
+
+## Start your server with environment variables injected
+
+```bash
+infisical run -- bin/rails server
+```