docs: Add CLI password reset command to FAQ (DE+EN)
Add documentation for admin password reset via CLI command:
- German FAQ entry with docker exec example
- English FAQ entry with docker exec example
- Instructions for interactive password prompt
- Minimum password length requirement (8 chars)
Update documentation links to use consistent casing and absolute paths
- Changed links in German documentation to use absolute paths with consistent casing.
- Updated links in English documentation to follow the same format.
- Ensured all navigation links point to the correct sections across all documents.
Add BambuLab plugin documentation and integration details
- Updated contents in German and English to include a new section for the BambuLab plugin.
- Modified printer management documentation to reflect BambuLab printer specifics.
- Enhanced admin area with device actions and auto-assign configuration for BambuLab integration.
- Added detailed configuration and parameter management for BambuLab printers.
- Included migration notes for users updating from older versions of the BambuLab plugin.
