feat(rules): add Python language rules

fix(installer): support --templates flag in any position

fix(installer): always ask languages, auto-uncomment selected rules in CLAUDE.md

fix(installer): separate rules and templates flows, add UI question to templates

refactor(installer): remove UI question from global install, simplify flow

docs: overhaul README, fix broken rule paths, add debug/existing-code/core improvements

refactor: overhaul rules with MUST/SHOULD structure, add testing/debug/existing-code

Update repository URL in installation instructions

Initial Commit