feat: improve file watcher to skip special files

[CcCJeaz]

Description (what this PR does / why we need it):

improve file watcher to skip special files

Which issue(s) this PR fixes (resolves / be part of):

resolves #3104

Other special notes for the reviewers:

none

[codecov-commenter]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (856bc9a) 84.43% compared to head (287e408) 84.59%. Report is 4 commits behind head on main.

:exclamation: Current head 287e408 differs from pull request most recent head 2d38630. Consider uploading reports for the commit 2d38630 to get more accurate results

Files	Patch %	Lines
config/file/watcher.go	0.00%	2 Missing and 1 partial :warning:
config/config.go	0.00%	1 Missing and 1 partial :warning:
config/file/file.go	0.00%	0 Missing and 1 partial :warning:

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3132      +/-   ##
==========================================
+ Coverage   84.43%   84.59%   +0.16%     
==========================================
  Files          88       89       +1     
  Lines        3983     3993      +10     
==========================================
+ Hits         3363     3378      +15     
+ Misses        443      441       -2     
+ Partials      177      174       -3     

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