Adds moodle app.

moodle/versions/4/README.md

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+# Moodle
+
+Moodle is the world's most widely used open-source Learning Management System (LMS), used by universities and schools globally.
+
+## Dependencies
+
+- **MySQL** - Database for storing courses, users, and grades
+
+## Configuration
+
+Key settings in `config.yaml`:
+
+- **domain** - Where Moodle will be accessible
+- **storage** - Persistent volume size (default: `2Gi`)
+- **db.name** - Database name (default: `moodle`)
+
+## First-Time Setup
+
+1. Add and deploy the app:
+   ```bash
+   wild app add moodle
+   wild app deploy moodle
+   ```
+
+2. Moodle runs its installer automatically on first start. Log in with:
+   - **Username**: `admin`
+   - **Password**: value of `adminPassword` in your `secrets.yaml`
+
+3. Complete the site setup wizard (site name, contact email, etc.) that appears after first login.
+
+## Notes
+
+- First startup takes several minutes as Moodle runs all database migrations
+- SMTP can be configured after login under **Site administration → Server → Email → Outgoing mail configuration**
+- Moodle has a large plugin ecosystem — plugins can be installed via **Site administration → Plugins → Install plugins**
+- Increase resource limits if running a large instance with many concurrent users