Make social/footer links more easily configurable

[nzbr]

Also I renamed some config variables to give the clearer and shorter names

[codecov-io]

Codecov Report

Merging #65 into master will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff           @@
##           master      #65   +/-   ##
=======================================
  Coverage   11.48%   11.48%           
=======================================
  Files           6        6           
  Lines         827      827           
=======================================
  Hits           95       95           
  Misses        730      730           
  Partials        2        2

Impacted Files	Coverage Δ
internal/structs.go	81% <ø> (ø)	⬆️
internal/cookie.go	0% <ø> (ø)	⬆️
internal/bugreport.go	0% <ø> (ø)	⬆️
internal/server.go	0% <0%> (ø)	⬆️
internal/liveScoreboard.go	0% <0%> (ø)	⬆️
internal/util.go	28% <0%> (ø)	⬆️

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