feat: support otel subcommands

[y1yang0]

related to #192

$ ./otel
Usage: otel <command> [args]
Example:
        otel go build
        otel go build main.go
        otel version
        otel set -rule=rule.json -verbose

Command:
        version    print the version
        set        set the configuration
        go         build the Go application

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.81%. Comparing base (0d37fdd) to head (e443473).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #216   +/-   ##
=======================================
  Coverage   83.81%   83.81%           
=======================================
  Files          19       19           
  Lines         791      791           
=======================================
  Hits          663      663           
  Misses        102      102           
  Partials       26       26           

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[123liuziming]

LGTM