Merge OrbitOS into project — one install, everything ready

- Added 15 OrbitOS skills (bundled in skills/orbitos/)
- Added vault structure templates (views, templates, prompts)
- Added install.sh (macOS + Linux)
- Removed references/orbitos-skills.md (no longer needed)
- Updated README: 30 skills total, unified install flow

Total: 9 mm* + 6 dependencies + 15 orbitos = 30 skills

vault-structure/99_System/Templates/Content_Template.md

@@ -0,0 +1,81 @@
+---
+type: content
+format: article
+status: draft
+area: "[[Writing]]"
+created: {{date:YYYY-MM-DD}}
+tags: [content]
+---
+# [Content Title]
+
+**Format:** Article | Video | Thread | Post
+**Target Platform:** [Medium, YouTube, Twitter, LinkedIn, etc.]
+**Target Audience:** [Who is this for?]
+**Goal:** [What should the audience learn/feel/do?]
+
+---
+
+## Hook
+
+[Opening sentence/paragraph that grabs attention]
+
+---
+
+## Outline
+
+### Section 1: [Heading]
+- Key point 1
+- Key point 2
+- Example/Story
+
+### Section 2: [Heading]
+- Key point 1
+- Key point 2
+- Example/Story
+
+### Section 3: [Heading]
+- Key point 1
+- Key point 2
+- Example/Story
+
+---
+
+## Draft
+
+[Full content goes here]
+
+---
+
+## Call to Action
+
+[What should the reader do next?]
+
+---
+
+## Metadata
+
+**Keywords/Tags:**
+**Estimated Length:** [words/minutes]
+**Published:** [Date/URL]
+**Performance Metrics:**
+- Views:
+- Engagement:
+- Conversions:
+
+---
+
+## Related
+
+- [[Related Topic 1]]
+- [[Related Topic 2]]
+- Source: [[Source Note]]
+
+---
+
+## Notes
+
+**Ideas for follow-up:**
+-
+
+**Feedback received:**
+-