[7.6] Story: Create ADR Documentation

[adriancofie]

Description

Document key architectural decisions made for the library.

Parent Issue: #EPIC_7

Sub-Tasks

• Create ADR template
• Write ADR for TypeScript decision
• Write ADR for Rollup decision
• Write ADR for CSS Modules decision
• Write ADR for NCIDS integration approach
• Document ADR proposal process

Notes

• ADRs document why decisions were made for future reference