feat(extension): add hardcode extensions back

[sashamelentyev]

No description provided.

[codecov]

Codecov Report

Merging #14 (5c07641) into main (852eae0) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #14   +/-   ##
=======================================
  Coverage   84.61%   84.61%           
=======================================
  Files           5        5           
  Lines          78       78           
=======================================
  Hits           66       66           
  Misses          9        9           
  Partials        3        3           

Impacted Files	Coverage Δ
schema.go	64.51% <ø> (ø)

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