feat: add wiki guide for API Catalog

[wenytang-ms]

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 46.07%. Comparing base (1721269) to head (283cda1).
Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/extension.ts	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #272      +/-   ##
==========================================
+ Coverage   45.96%   46.07%   +0.11%     
==========================================
  Files          92       92              
  Lines        5826     5840      +14     
  Branches      141      142       +1     
==========================================
+ Hits         2678     2691      +13     
- Misses       3146     3147       +1     
  Partials        2        2              

Files with missing lines	Coverage Δ
src/constants.ts	100.00% <100.00%> (ø)
src/tree/DataPlaneAccount.ts	67.93% <100.00%> (+3.47%)	⬆️
src/uiStrings.ts	100.00% <100.00%> (ø)
src/extension.ts	0.00% <0.00%> (ø)

[formulahendry]

Shall we consider also adding a 'learnApiCatalog' item in Tree View when it is empty in Tree View?

[wenytang-ms]

Shall we consider also adding a 'learnApiCatalog' item in Tree View when it is empty in Tree View?
@formulahendry please help review again