Add copy button next to base ref name in PR header information

What the title says

Author
HappyViking
Daily installs
0
Total installs
2
Ratings
0 0 0
Version
1
Created
2023-09-29
Updated
2023-09-29
Size
2.27 KB
License
MIT
Applies to

(Used with the Refined Github browser extension)

Before:

After: