feat: removed cjs wrapper

[alexander-akait]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

removed cjs wrapper and generated types in commonjs format (export = and namespaces used in types), now you can directly use exported types

Breaking Changes

Potentially yes, but now we use invalid format our types

Additional Info

No

[codecov]

Codecov Report

Merging #29 (306a667) into master (012b0f3) will increase coverage by 0.27%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #29      +/-   ##
==========================================
+ Coverage   93.84%   94.11%   +0.27%     
==========================================
  Files           3        2       -1     
  Lines          65       68       +3     
  Branches       10       10              
==========================================
+ Hits           61       64       +3     
  Misses          3        3              
  Partials        1        1              

Impacted Files	Coverage Δ
src/index.js	93.44% <100.00%> (+0.46%)	⬆️
src/minify.js	100.00% <100.00%> (ø)

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