Roos-fs-ZIP

Expose the current web app version for support/debug. It must be visible on auth screens and inside the app.

Required Implementation:

• Login screen: show version string at the very bottom.
  
  

• Main app: show version in the left bottom corner, under the user name/role and Sign out button.
  
  

• English and German translation must be included.

• Version string must come from build metadata (not hard-coded).

Expected Behavior:

• Version is visible in Login screen and Main app.
• It updates automatically on each release/build.
• It’s read-only/non-clickable; no other UI/logic changes.
• English and German translation must be included.