chore(jellyfish-transaction-builder): add interface on the same package

[pierregee]

What this PR does / why we need it:

Having package build issues, need to make the package agnostic

Which issue(s) does this PR fixes?:

Fixes #

Additional comments?:

[netlify]

✅ Deploy Preview for jellyfishsdk ready!

Name	Link
🔨 Latest commit	32a416b
🔍 Latest deploy log	https://app.netlify.com/sites/jellyfishsdk/deploys/65128a2aab7dbe0008591232
😎 Deploy Preview	https://deploy-preview-2158--jellyfishsdk.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[codecov]

Codecov Report

Merging #2158 (32a416b) into main (8baa393) will decrease coverage by 2.65%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2158      +/-   ##
==========================================
- Coverage   90.71%   88.06%   -2.65%     
==========================================
  Files         371      372       +1     
  Lines       11228    11243      +15     
  Branches     1468     1468              
==========================================
- Hits        10185     9901     -284     
- Misses        989     1284     +295     
- Partials       54       58       +4     

Files	Coverage Δ
...llyfish-transaction-builder/src/txn/txn_builder.ts	98.24% <ø> (ø)
...transaction-builder/src/txn/txn_builder_account.ts	64.10% <ø> (+10.25%)	⬆️

... and 117 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[github-actions]

Docker build preview for jellyfish/apps is ready!

Built with commit 13e3d45

• ghcr.io/birthdayresearch/legacy-api:pr-2158
• ghcr.io/birthdayresearch/playground-api:pr-2158
• ghcr.io/birthdayresearch/status-api:pr-2158
• ghcr.io/birthdayresearch/whale-api:pr-2158

You can also get an immutable image with the commit hash

• ghcr.io/birthdayresearch/legacy-api:13e3d457e24f8245819a1d83e609a006a6d6c28a
• ghcr.io/birthdayresearch/playground-api:13e3d457e24f8245819a1d83e609a006a6d6c28a
• ghcr.io/birthdayresearch/status-api:13e3d457e24f8245819a1d83e609a006a6d6c28a
• ghcr.io/birthdayresearch/whale-api:13e3d457e24f8245819a1d83e609a006a6d6c28a