feat: support gitpod

[qsliu2017]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  feature

• What is the current behavior? (You can also link to an open issue here)

• What is the new behavior (if this is a feature change)?
  developers can start coding at https://gitpod.io/#/github.com/4paradigm/OpenMLDB (my forked repo has setup gitpod)
  this reduces dependency install and first-time building

need helps:

• install Gitpod GitHub app on this repo, see https://www.gitpod.io/docs/prebuilds#github

[codecov]

Codecov Report

Merging #2185 (c280643) into main (6e691e8) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #2185   +/-   ##
=========================================
  Coverage     75.75%   75.76%           
  Complexity      367      367           
=========================================
  Files           624      624           
  Lines        118073   118073           
  Branches       1048     1048           
=========================================
+ Hits          89446    89453    +7     
+ Misses        28410    28403    -7     
  Partials        217      217           

Impacted Files	Coverage Δ
src/sdk/db_sdk.cc	65.69% <0.00%> (-0.90%)	⬇️
src/catalog/client_manager.cc	42.20% <0.00%> (-0.29%)	⬇️
src/zk/zk_client.cc	83.37% <0.00%> (-0.26%)	⬇️
hybridse/src/codec/fe_row_codec.cc	78.33% <0.00%> (-0.16%)	⬇️
src/client/ns_client.cc	46.94% <0.00%> (-0.15%)	⬇️
src/nameserver/name_server_impl.cc	42.72% <0.00%> (-0.10%)	⬇️
hybridse/src/vm/runner.cc	67.74% <0.00%> (-0.04%)	⬇️
src/tablet/tablet_impl.cc	61.70% <0.00%> (+0.07%)	⬆️
src/log/log_reader.cc	79.11% <0.00%> (+2.64%)	⬆️
src/replica/replicate_node.cc	78.77% <0.00%> (+4.46%)	⬆️
... and 1 more

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[github-actions]

SDK Test Report

  77 files    77 suites   6m 0s ⏱️
166 tests 164 ✔️ 2 💤 0 ❌
208 runs  206 ✔️ 2 💤 0 ❌

Results for commit c280643.

♻️ This comment has been updated with latest results.

[github-actions]

Linux Test Report

       55 files       200 suites   53m 29s ⏱️
  9 244 tests   9 240 ✔️ 4 💤 0 ❌
13 600 runs  13 596 ✔️ 4 💤 0 ❌

Results for commit c280643.

♻️ This comment has been updated with latest results.

[aceforeverd]

@lumianph see if we're ok to install gitpod ? gitpod is similar to GitHub Code Space but is in public service so probably more developer can use it than code space

[gitpod-for-oss]

@lumianph see if we're ok to install gitpod? gitpod is similar to GitHub Code Space but is in public service so probably more developer can use it than code space

Installing Gitpod GitHub App to this repository will help you to enable prebuilds to keep always ready to code.

Also, In Gitpod you can use Multiple IDEs & not just VS Code. Detailed difference