fix(configs): fix broken json configs structures
chore(maintain): code styles

Should be use singlequotes instead of doublequotes in key names when since it was not JSON and maybe even better if we keep the key names without quotes.
Merge pull request #17 from muhammadghazali/fix-json-structure

fix(configs): fix broken json configs structures
Merge pull request #18 from muhammadghazali/chore-code-style

chore(maintain): code styles