Release Link 1.2.0

[gowtham0992]

Summary

Release Link 1.2.0.

Highlights:

• Adds Homebrew install path and docs.
• Adds GitHub Pages product docs and visual walkthroughs.
• Improves README onboarding and architecture explanation.
• Makes generated CLI/MCP/web commands target-safe from any working directory.
• Expands acceptance coverage across CLI, MCP stdio, HTTP viewer, graph, large-wiki, and first-use flows.
• Keeps large local wikis responsive with SQLite FTS, bounded graph payloads, and benchmark/readiness checks.

Validation

• Unit tests
• Release hygiene
• Tool contract check
• Runtime duplication guard
• First-use smoke
• HTTP viewer smoke
• MCP stdio smoke
• Large-wiki smoke
• Package build and twine check