Require authentication according to VTM GO TOS

[michaelarnauts]

According to the Terms of Service of VTM GO, it is required to login. Their API doesn't enforce this, but we should do this since we want to be a good citizen :)

[codecov]

Codecov Report

Merging #141 into master will increase coverage by 0.13%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #141      +/-   ##
==========================================
+ Coverage   80.21%   80.34%   +0.13%     
==========================================
  Files          23       23              
  Lines        2365     2371       +6     
==========================================
+ Hits         1897     1905       +8     
+ Misses        468      466       -2     

Impacted Files	Coverage Δ
resources/lib/modules/menu.py	90.24% <0.00%> (-2.44%)	⬇️
resources/lib/vtmgo/vtmgo.py	78.24% <0.00%> (-0.54%)	⬇️
resources/lib/vtmgo/vtmgostream.py	82.82% <0.00%> (+2.02%)	⬆️
resources/lib/modules/player.py	92.75% <0.00%> (+11.59%)	⬆️

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