Add omni plugin's inputProcessor

[jf-tech]

No description provided.

[codecov]

Codecov Report

Merging #22 into master will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #22   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           20        21    +1     
  Lines          856       870   +14     
=========================================
+ Hits           856       870   +14     

Impacted Files	Coverage Δ
omniparser/schemaplugin/omni/v2/inputprocessor.go	100.00% <100.00%> (ø)
...schemaplugin/omni/v2/transform/invokeCustomFunc.go	100.00% <100.00%> (ø)
omniparser/schemaplugin/omni/v2/transform/parse.go	100.00% <100.00%> (ø)

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