docs: add 13 research reports and update catalogue

docs: remove bmad-ralph-integration-guide from tracked files

docs: add research reports and BMAD+ralph-tui integration guide

docs: add Slidev and ChatGPT presentation-making research reports

docs: add 14 research reports and update catalogue

docs: unify duplicate reports and cross-reference related topics

docs: add 11 research reports and update catalogue

docs: add Stitch Skills (google-labs-code) research report

docs: add 21 research reports and update catalogue

docs: add 9 research reports and update catalogue

docs: add 11 research reports and update catalogue

docs: add 6 research reports (SuperBeads, Chatterbox, Gas Town, VibeKanban, ElevenLabs, VoiceInk)

docs: add Beads (steveyegge) research report

docs: add new research reports and update catalogue

refactor: clean up repo to be pure research catalogue