docs: optimize SEO and add GitHub workflow files

.github/CODEOWNERS

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+# Global owners
+* @sickn33
+
+# Skills
+/skills/ @sickn33
+
+# Documentation
+*.md @sickn33

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Create a report to help us improve the skills
+title: "[BUG] "
+labels: bug
+assignees: sickn33
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+
+1. Go to '...'
+2. Click on '...'
+3. Scroll down to '...'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Environment (please complete the following information):**
+
+- OS: [e.g. macOS, Windows]
+- Tool: [e.g. Claude Code, Antigravity]
+- Version [if known]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Skill Request
+about: Suggest a new skill for the collection
+title: "[REQ] "
+labels: enhancement
+assignees: sickn33
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex: I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A description of the skill you want. What trigger should it have? What files should it effect?
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+
+Please describe your changes. What skill are you adding or modifying?
+
+## Checklist
+
+- [ ] My skill follows the [creation guidelines](https://github.com/sickn33/antigravity-awesome-skills/tree/main/skills/skill-creator)
+- [ ] I have run `validate_skills.py`
+- [ ] I have added my name to the credits (if applicable)
+
+## Type of Change
+
+- [ ] New Skill
+- [ ] Bug Fix
+- [ ] Documentation Update
+- [ ] Infrastructure
+
+## Screenshots (if applicable)