chore(apps/whale-api): add enable index env

[canonbrother]

What this PR does / why we need it:

Which issue(s) does this PR fixes?:

debugging purpose only

Additional comments?:

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[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (97c28a9) 88.06% compared to head (64fb495) 92.37%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
...whale-api/src/module.indexer/rpc.block.provider.ts	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2171      +/-   ##
==========================================
+ Coverage   88.06%   92.37%   +4.31%     
==========================================
  Files         367      373       +6     
  Lines       11075    11259     +184     
  Branches     1450     1474      +24     
==========================================
+ Hits         9753    10401     +648     
+ Misses       1244      826     -418     
+ Partials       78       32      -46     

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[asyrafnorafandi]

So far looks good to me. Is this by default TRUE?

[github-actions]

Docker build preview for jellyfish/apps is ready!

Built with commit 274f2b0

• ghcr.io/birthdayresearch/legacy-api:pr-2171
• ghcr.io/birthdayresearch/playground-api:pr-2171
• ghcr.io/birthdayresearch/status-api:pr-2171
• ghcr.io/birthdayresearch/whale-api:pr-2171

You can also get an immutable image with the commit hash

• ghcr.io/birthdayresearch/legacy-api:274f2b097e17ee363e947378ad5441ee02e46636
• ghcr.io/birthdayresearch/playground-api:274f2b097e17ee363e947378ad5441ee02e46636
• ghcr.io/birthdayresearch/status-api:274f2b097e17ee363e947378ad5441ee02e46636
• ghcr.io/birthdayresearch/whale-api:274f2b097e17ee363e947378ad5441ee02e46636