Fb badge fix

[kwitsch]

• removed lgtm badge(no longer supported)
• fixed build badge -> now makefile
• fixed some some markdown linter complaints

[codecov]

Codecov Report

Base: 93.08% // Head: 93.06% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (71b749c) compared to base (7f5f98d).
Patch has no changes to coverable lines.

Additional details and impacted files

@@               Coverage Diff               @@
##           development     #874      +/-   ##
===============================================
- Coverage        93.08%   93.06%   -0.03%     
===============================================
  Files               42       42              
  Lines             4947     4947              
===============================================
- Hits              4605     4604       -1     
- Misses             270      271       +1     
  Partials            72       72              

Impacted Files	Coverage Δ
resolver/query_logging_resolver.go	95.62% <0.00%> (-2.92%)	⬇️
redis/redis.go	93.23% <0.00%> (+1.44%)	⬆️

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[ThinkChaos]

Rendered README on your branch looks good to me!