enhance: Support importing files from local storage

[bigsheeper]

Support importing files from local storage and tidy import options.

issue: #36445

[sre-ci-robot]

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[mergify]

@bigsheeper E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@bigsheeper go-sdk check failed, comment rerun go-sdk can trigger the job again.

[codecov]

Codecov Report

Attention: Patch coverage is 80.76923% with 5 lines in your changes missing coverage. Please review.

Project coverage is 82.32%. Comparing base (ef1832f) to head (93becaf).
Report is 15 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/util/importutilv2/option.go	83.33%	3 Missing ⚠️
internal/util/importutilv2/reader.go	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #36696       +/-   ##
===========================================
+ Coverage   71.57%   82.32%   +10.75%     
===========================================
  Files        1286     1286               
  Lines      152045   152059       +14     
===========================================
+ Hits       108825   125189    +16364     
+ Misses      38160    21813    -16347     
+ Partials     5060     5057        -3     

Files with missing lines	Coverage Δ
internal/datacoord/services.go	86.12% <100.00%> (+0.10%)	⬆️
internal/proxy/impl.go	85.88% <100.00%> (+<0.01%)	⬆️
internal/util/importutilv2/reader.go	60.71% <0.00%> (-4.68%)	⬇️
internal/util/importutilv2/option.go	71.01% <83.33%> (+3.08%)	⬆️

... and 277 files with indirect coverage changes

[bigsheeper]

/run-cpu-e2e

[mergify]

@bigsheeper E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[bigsheeper]

/run-cpu-e2e

[mergify]

@bigsheeper E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[bigsheeper]

It is not a mature solution, so close this PR.