Add OrbitOS skills (bundled)

- orbites-research: deep research workflow
- orbites-parse-knowledge: structure unstructured text
- orbites-obsidian-markdown: Obsidian markdown reference
- obsidian: vault read/write/search
- Updated README: 20 skills total, OrbitOS bundled

README.md

@@ -8,7 +8,7 @@ Content pipeline and marketing automation system for moreminimore-service client
 Data Stage → Content Stage → Publish Article → Social Stage → Publish Social → Analytics
 ```
 
-### Skills (16 total)
+### Skills (20 total)
 
 **Core pipeline (mm*):**
 - `mm-content-orchestrator` — top-level pipeline coordinator
@@ -29,13 +29,13 @@ Data Stage → Content Stage → Publish Article → Social Stage → Publish So
 - `graphic-designer` — graphics
 - `xurl` — X/Twitter API
 
-**External (OrbitOS — install separately):**
-- `obsidian` — vault read/write
-- `orbites-research` — deep research
-- `orbites-parse-knowledge` — structure text
-- `orbites-obsidian-markdown` — markdown reference
+**OrbitOS (bundled in `skills/orbitos/`):**
+- `obsidian` — vault read/write/search
+- `orbites-research` — deep research workflow
+- `orbites-parse-knowledge` — structure unstructured text
+- `orbites-obsidian-markdown` — Obsidian markdown reference
 
-See `references/orbitos-skills.md` for OrbitOS integration details.
+See `references/orbitos-skills.md` for detailed usage.
 
 ### Scripts