Replace TSLint with ESLint

[kachkaev]

Context: palantir/tslint#4534

[codecov]

Codecov Report

Merging #24 (1121d81) into main (10940bd) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #24   +/-   ##
=======================================
  Coverage   92.63%   92.63%           
=======================================
  Files           5        5           
  Lines          95       95           
  Branches        9        9           
=======================================
  Hits           88       88           
  Misses          5        5           
  Partials        2        2           

Impacted Files	Coverage Δ
src/parser.ts	87.50% <ø> (ø)
src/util.ts	88.88% <ø> (ø)
src/cache.ts	100.00% <100.00%> (ø)
src/printer.ts	100.00% <100.00%> (ø)

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