docs: add comprehensive marketing and SEO strategy

Added marketing resources:
- MARKETING_STRATEGY.md: Complete guide for reach and visibility
  - GitHub optimization (topics, SEO, releases)
  - AI tool directories (12+ platforms to submit to)
  - Content marketing (blog posts, videos, social media)
  - Community engagement strategies
  - Partnerships and collaborations
  - Paid advertising options
  - Analytics and tracking

- SOCIAL_MEDIA_TEMPLATES.md: Ready-to-use templates
  - Twitter/X posts (launch, features, stats)
  - Reddit posts (r/PowerAutomate, r/automation)
  - LinkedIn professional posts
  - Dev.to/Medium article outlines
  - YouTube video scripts
  - Instagram/TikTok captions
  - Email outreach templates
  - Press release template

- GITHUB_TOPICS.txt: List of 20 topics for GitHub discovery
- README.md improvements:
  - Added centered header with navigation
  - Added SEO keywords section for search discovery
  - Fixed badge URLs (MacroMan5 instead of therouxe)
  - Improved installation instructions
  - Better visual hierarchy

Quick wins for immediate visibility:
- Add GitHub topics (5 min)
- Post on Reddit (30 min)
- Tweet announcement (10 min)
- Submit to AI directories (30 min)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: MacroMan5

GITHUB_TOPICS.txt

@@ -0,0 +1,45 @@
+# GitHub Topics to Add
+
+Go to: https://github.com/MacroMan5/AutomationHelper_plugins
+Click: "About" gear icon (top right of repo description)
+Add these topics (paste them into the "Topics" field):
+
+claude-code
+claude-code-plugin
+power-automate
+microsoft-power-automate
+n8n
+workflow-automation
+rpa
+low-code
+no-code
+automation-tools
+debugging-tools
+ai-assistant
+workflow-optimization
+flow-builder
+workflow-debugging
+power-platform
+microsoft-power-platform
+integration-tools
+api-optimization
+developer-tools
+
+Maximum 20 topics allowed - pick the most relevant 20 from above.
+
+---
+
+## Repository Description to Add
+
+Go to same "About" section and update description to:
+
+🤖 AI assistant for Power Automate & n8n workflows | 6 specialized skills: design, build, debug, refactor, validate | Documentation-driven (no hallucinations) | Alpha
+
+---
+
+## Website URL
+
+Add to "Website" field:
+https://github.com/MacroMan5/AutomationHelper_plugins#readme
+
+(or your own documentation site if you create one)