fix: make sequenceDB typesafe

[ad1992]

📑 Summary

• Make Sequencedb typesafe
• Add eslint rule for consistent type definations

📋 Tasks

Make sure you

• 📖 have read the contribution guidelines
• 💻 have added necessary unit/e2e tests.
• 📓 have added documentation. Make sure MERMAID_RELEASE_VERSION is used for all new features.
• 🔖 targeted develop branch

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 95 lines in your changes are missing coverage. Please review.

Project coverage is 5.74%. Comparing base (9ed2f4b) to head (2a3d032).

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #5426      +/-   ##
==========================================
- Coverage     5.74%   5.74%   -0.01%     
==========================================
  Files          276     276              
  Lines        41886   41902      +16     
  Branches       514     514              
==========================================
  Hits          2407    2407              
- Misses       39479   39495      +16     

Flag	Coverage Δ
unit	5.74% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
.eslintrc.cjs	0.00% <0.00%> (ø)
packages/mermaid/src/utils/imperativeState.ts	0.00% <0.00%> (ø)
...ckages/mermaid/src/diagrams/sequence/sequenceDb.ts	0.00% <0.00%> (ø)

[sidharthv96]

Nice work @ad1992 !

[ad1992]

friendly reminder @sidharthv96 ^