Add calibration include to user_settings.cfg

- Added [include calibration/*.cfg] to optimized_user_settings.cfg
- Updated CHANGES.md with complete deployment steps
- Updated calibration/README.md with installation options

Now the calibration macros are automatically available when using
the optimized user_settings.cfg - no manual include needed!

CHANGES.md

@@ -73,16 +73,33 @@ gcode:
    cp user_settings.cfg user_settings.cfg.backup-$(date +%Y%m%d)
    ```
 
-2. **Copy optimized file:**
+2. **Clone repo (if not done):**
    ```bash
-   cp optimized_user_settings.cfg ~/printer_data/config/user_settings.cfg
+   cd ~/printer_data/config
+   git clone https://git.sky-net.it/nocci/open4neptune-new.git
    ```
 
-3. **Restart Klipper:**
+3. **Copy calibration folder:**
+   ```bash
+   cp -r open4neptune-new/calibration/ ~/printer_data/config/
+   ```
+
+4. **Copy optimized user_settings.cfg:**
+   ```bash
+   cp open4neptune-new/optimized_user_settings.cfg ~/printer_data/config/user_settings.cfg
+   ```
+
+5. **Restart Klipper:**
    - Via Mainsail/Fluidd: Machine → Restart Firmware
    - Or SSH: `sudo systemctl restart klipper`
 
-4. **Test print** and observe:
+6. **Test calibration macros:**
+   ```gcode
+   ; In Mainsail Console:
+   CALIBRATION_MENU
+   ```
+
+7. **Test print** and observe:
    - Check console for "Starting Print Sequence..."
    - Verify Cartographer Touch Home runs
    - Monitor temperature wait times