Add default config file name tbls.yml

[k1LoW]

No description provided.

[codecov]

Codecov Report

Merging #186 into master will decrease coverage by 0.80%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master     #186      +/-   ##
==========================================
- Coverage   68.21%   67.40%   -0.81%     
==========================================
  Files          18       18              
  Lines        3152     3157       +5     
==========================================
- Hits         2150     2128      -22     
- Misses        783      815      +32     
+ Partials      219      214       -5     

Impacted Files	Coverage Δ
config/config.go	49.31% <66.66%> (+1.57%)	⬆️
datasource/datasource.go	16.75% <0.00%> (-15.19%)	⬇️

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