add support for youtube @ handle links (i hope it is as simple as this)

[ArkaneOnline]

this is in response to #82 since it seems pretty simple to implement

[codecov[bot]]

Codecov Report

Merging #83 (72af989) into master (06c5c78) will decrease coverage by 0.04%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master      #83      +/-   ##
==========================================
- Coverage   16.93%   16.89%   -0.04%     
==========================================
  Files         110      110              
  Lines        8272     8279       +7     
==========================================
- Hits         1401     1399       -2     
- Misses       6871     6880       +9     

Files Changed	Coverage Δ
pointercrate-user/src/video.rs	0.00% <0.00%> (ø)

... and 2 files with indirect coverage changes

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[ArkaneOnline]

I'm gonna be completely honest, I have no idea how to do that lol

[stadust]

I'm gonna be completely honest, I have no idea how to do that lol

fair enough haha