refactor: Add protocol versions to "About UniMe" page

[maiertech]

Description of change

List the specs and their versions used in UniMe's about page but only in dev mode.

Links to any relevant issues

Fixes #265.

How the change has been tested

Visual check of the "About UniMe" page (turn dev mode on and off).

Definition of Done checklist

Add an x to the boxes that are relevant to your changes.

• I have followed the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[maiertech]

Display in dev mode only.

[nanderstabel]

Looks good! Except that in desktop mode clicking one of the links result in this page:

It's really not a big deal since we're the only once using Desktop, but in case it is a quick fix it might be worth it to fix it.

[nanderstabel]

Looks good! Except that in desktop mode clicking one of the links result in this page:

It's really not a big deal since we're the only once using Desktop, but in case it is a quick fix it might be worth it to fix it.

this is the corresponding error in my terminal:

/usr/lib/x86_64-linux-gnu/webkit2gtk-4.1/WebKitNetworkProcess: symbol lookup error: /snap/core20/current/lib/x86_64-linux-gnu/libpthread.so.0: undefined symbol: __libc_pthread_init, version GLIBC_PRIVATE

[nanderstabel]

The WebKit issue I encountered is related to my VSCode somehow. After following these instructions the problem was resolved for me.