support webdav protocol

[zhijian-pro]

support webdav protocol #1441 #1378

[codecov-commenter]

Codecov Report

Merging #1444 (25b0923) into main (67cbaa5) will decrease coverage by 0.25%.
The diff coverage is 29.65%.

❗ Current head 25b0923 differs from pull request most recent head 37f3059. Consider uploading reports for the commit 37f3059 to get more accurate results

@@            Coverage Diff             @@
##             main    #1444      +/-   ##
==========================================
- Coverage   59.56%   59.30%   -0.26%     
==========================================
  Files         129      131       +2     
  Lines       21774    21950     +176     
==========================================
+ Hits        12970    13018      +48     
- Misses       7250     7384     +134     
+ Partials     1554     1548       -6     

Impacted Files	Coverage Δ
cmd/gateway.go	29.60% <0.00%> (ø)
pkg/fs/http.go	0.00% <0.00%> (ø)
cmd/webdav.go	78.12% <78.12%> (ø)
cmd/main.go	56.34% <100.00%> (+0.22%)	⬆️
pkg/meta/tkv.go	75.20% <0.00%> (-0.84%)	⬇️
pkg/meta/tkv_tikv.go	62.04% <0.00%> (-0.55%)	⬇️
pkg/chunk/disk_cache.go	78.32% <0.00%> (-0.50%)	⬇️
pkg/chunk/cached_store.go	73.18% <0.00%> (-0.35%)	⬇️
pkg/meta/tkv_badger.go	71.85% <0.00%> (-0.34%)	⬇️
pkg/meta/redis.go	70.88% <0.00%> (-0.17%)	⬇️
... and 5 more

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