Add tbls driver information to JSON

[k1LoW]

No description provided.

[codecov]

Codecov Report

Merging #68 into master will increase coverage by 0.4%.
The diff coverage is 91.42%.

@@            Coverage Diff            @@
##           master      #68     +/-   ##
=========================================
+ Coverage   73.52%   73.92%   +0.4%     
=========================================
  Files           8        8             
  Lines        1522     1557     +35     
=========================================
+ Hits         1119     1151     +32     
- Misses        296      298      +2     
- Partials      107      108      +1

Impacted Files	Coverage Δ
schema/schema.go	46.37% <ø> (ø)	⬆️
drivers/postgres/postgres.go	81.32% <100%> (+0.61%)	⬆️
drivers/sqlite/sqlite.go	87.25% <100%> (+0.37%)	⬆️
drivers/mysql/mysql.go	81.81% <100%> (+0.63%)	⬆️
db/db.go	50.84% <40%> (-1.01%)	⬇️

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