Add OpenWASM as a weakdependency

[contra-bit]

This pull request adds OpenQASM.jl as a weakdepency.

If this is merged, YaoHIR supports parsing OpenQASM files, if using OpenQASM called before, using the constructor BlockIR(<qasm_string>)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (59a5fd9) 66.87% compared to head (dbc9b63) 66.87%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master       #9   +/-   ##
=======================================
  Coverage   66.87%   66.87%           
=======================================
  Files           5        5           
  Lines         157      157           
=======================================
  Hits          105      105           
  Misses         52       52           

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