feat: integrate frappe-ops-website-deploy skill, bump to v3.2.0 (61 skills)

Add frappe-website-deploy skill for deploying HTML websites to ERPNext v16

feat: expand skill keywords with user-friendly discovery terms

fix: update package.json version to 3.1.0

feat: add discovery manifests and quality fixes

chore: add auto-assign issues workflow

chore: add CODEOWNERS for product ownership

chore: regenerate social preview PNG for v3.0 (60 skills)

fix: update all references from 53 to 60 skills

docs: mark V3.5 release as complete

chore: update social preview banner for v3.0 (60 skills, 95% coverage)

feat: V3.0 — 60 skills, ~95% Frappe Framework coverage

docs: add companion cross-technology skills section

docs: bootstrap V3.0 upgrade planning

fix: update all URLs and references to new repo name