feat: migrate docs from Nextra to Fumadocs (#606)

* feat: checkpoint

* feat: Migrate docs to Fumadocs

* chore: docs layout

* chore:
- remove home route
- make docs home route
- remove docs prefix

* chore: docs layout

* chore:
- reorder sidebar
- fix home page redirect

* chore: rename package to avoid error during pnpm clean

* chore: remove private and sideEffects properties from package.json

* chore: requested fixes

* feat: update fumadocs layout

* feat: hide theme switch on sidebar

* add /docs

* feat: enhance documentation and layout with new guides and updates

- Added multiple how-to guides for creating courses, exercises, and managing organization settings.
- Updated existing documentation for clarity and consistency, including renaming sections for better navigation.
- Introduced new assets such as logos and favicon for improved branding.
- Modified layout components to enhance user experience and visual appeal.
- Updated package dependencies to include lucide-react for icon usage.

* chore: update pnpm-lock.yaml with dependency version changes

* add favicon

* fix: update links in documentation for consistency

- Corrected the links in the create-exercise and signup guides to ensure they point to the correct paths, enhancing clarity and navigation for users.

* delete docs

---------

Co-authored-by: Rotimi Best <best@classroomio.com>

apps/docs-v2/content/docs/contributor-guides/gitpod.mdx

@@ -0,0 +1,26 @@
+---
+title: Gitpod Setup
+description: Guide to setting up Gitpod for ClassroomIO development.
+---
+
+import { Callout } from 'fumadocs-ui/components/callout';
+
+## One Click Setup
+
+- This will open a fully configured workspace in your browser with all the necessary dependencies already installed.
+- Click the button below to open this project in Gitpod.
+
+[![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/rotimi-best/classroomio)
+
+<Callout title="Note">
+  Gitpod does not utilize `localhost` for accessing services. Instead, it uses its own URL after
+  starting all the necessary services. The correct URLs to access the project are automatically
+  inserted into the `.env` file upon initialization.
+</Callout>
+
+### Viewing URLs in Terminals
+
+To view the URLs, follow these steps:
+
+1. Open your terminal.
+2. Click on the `port` to see the URLs.