fix: exclude all directory

[syossan27]

Describe the PR
Fix skip all directory.

Relation issue
none

Additional context
searchDir arguments of getAllGoFileInfo Function is './' .
Skip following directory, because this code.

if f.IsDir() && len(f.Name()) > 0 && f.Name()[0] == '.' {
	return filepath.SkipDir
}

[codecov-io]

Codecov Report

Merging #147 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master     #147   +/-   ##
=======================================
  Coverage   88.65%   88.65%           
=======================================
  Files           5        5           
  Lines         899      899           
=======================================
  Hits          797      797           
  Misses         62       62           
  Partials       40       40

Impacted Files	Coverage Δ
parser.go	85.62% <100%> (ø)	⬆️

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[pei0804]

LGTM

[pei0804]

God job! thx!

[easonlin404]

LGTM