Added support for discord-botlist.eu

[LPTP1Dev]

Hey,
I added support for discord-botlist.eu since we re-wrote our api and we are no longer using websocket for stats posting.

Greetings
LPTP1
Founder of Discord-Botlist.EU

[EndBug]

Hi, thank you so much for your contribution!
Just one thing: could you run npm run build:source so that the ListIndex gets updated? Currently, some tests are failing because the list is out of date.
You can check if the test pass by running npm test ;)

[codecov]

Codecov Report

Merging #318 (99d12f0) into master (5b7c9de) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #318      +/-   ##
==========================================
+ Coverage   97.59%   97.63%   +0.04%     
==========================================
  Files          41       42       +1     
  Lines        1162     1182      +20     
  Branches      189      189              
==========================================
+ Hits         1134     1154      +20     
  Misses         27       27              
  Partials        1        1              

Impacted Files	Coverage Δ
src/Interface/ListIndex.ts	100.00% <100.00%> (ø)
src/Interface/Lists/DiscordBotlistEU.ts	100.00% <100.00%> (ø)

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[EndBug]

LGTM 👍🏻