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/meta.json

@@ -0,0 +1,19 @@
+{
+  "pages": [
+    "---Introduction---",
+    "home",
+    "what-is-classroomio",
+    "quickstart",
+
+    "---Core Features---",
+    "course",
+    "audience",
+    "community",
+    "organization",
+    "student-dashboard",
+
+    "---Guides---",
+    "how-to-guides",
+    "contributor-guides"
+  ]
+}