Feat/filter

[xiwenc]

fixes #69

[github-actions]

Merging this branch will increase overall coverage

Impacted Packages	Coverage Δ	🤖
github.com/mxlint/mxlint-cli	0.00% (ø)
github.com/mxlint/mxlint-cli/mpr	77.92% (+4.15%)	👍
github.com/mxlint/mxlint-cli/serve	22.11% (ø)

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Coverage by file

Changed files (no unit tests)

Changed File	Coverage Δ	Total	Covered	Missed	🤖
github.com/mxlint/mxlint-cli/main.go	0.00% (ø)	64 (+2)	0	64 (+2)
github.com/mxlint/mxlint-cli/mpr/mpr.go	83.28% (+8.63%)	299 (+15)	249 (+37)	50 (-22)	👍
github.com/mxlint/mxlint-cli/serve/serve.go	9.20% (ø)	163	15	148

Please note that the "Total", "Covered", and "Missed" counts above refer to code statements instead of lines of code. The value in brackets refers to the test coverage of that file in the old version of the code.

Changed unit test files

• github.com/mxlint/mxlint-cli/mpr/microflow_test.go
• github.com/mxlint/mxlint-cli/mpr/mpr_v1_test.go
• github.com/mxlint/mxlint-cli/mpr/mpr_v2_test.go