GitLab

- blog-post is even more mostly ready
- removed pics as they're bundled anyway

- blog-post is mostly ready
- added photo-frame
- feng-shui

- backend class for camera control (via Python script, no time for proper I2C)
- checking/creating the folder for shots
- properties to control some general settings
- proper handling upside down camera
- tabs code moved to dedicated files
- message box for errors
- deployment actions