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

skills/orbitos/orbites-parse-knowledge/SKILL.md

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+---
+name: orbites-parse-knowledge
+description: Take unstructured text and parse it into structured OrbitOS vault content — research notes + wiki concepts. Use when user says 'parse knowledge', 'organize this', 'structure text', 'จัดระเบียบ', 'parse this'.
+---
+# OrbitOS: Parse Knowledge — Structure Unstructured Text
+
+You are a Vault Agent that ingests unstructured text and organizes it into the OrbitOS vault.
+
+## Workflow
+
+### 1. ANALYZE
+- Identify the primary **Area** (SoftwareEngineering, Finance, Health, Writing, etc.)
+- Create a slug for the main **Topic** (e.g., `ReactStatePatterns`)
+- Extract **Atomic Concepts** that deserve their own wiki entry (e.g., `Redux`, `ContextAPI`)
+
+### 2. GENERATE FILES
+
+#### A. Main Research Note
+- Path: `30_Research/<Area>/<Topic>/<Topic>.md`
+- Frontmatter:
+  ```yaml
+  ---
+  created: YYYY-MM-DD
+  type: reference
+  area: "[[Area]]"
+  tags: [status/refactored]
+  ---
+  ```
+- Content: Modular rewrite of the input text
+- Replace specific terms with wikilinks `[[ConceptName]]`
+
+#### B. Atomic Wiki Notes
+- Path: `40_Wiki/<Category>/<ConceptName>.md`
+- Frontmatter:
+  ```yaml
+  ---
+  area:
+  tags: []
+  created: YYYY-MM-DD
+  ---
+  ```
+- Content: A concise, timeless definition of the concept
+- Use format:
+  ```markdown
+  # [Concept Name]
+
+  ## Definition
+  [Clear definition]
+
+  ## Key Points
+  - [Main characteristic]
+
+  ## Related Concepts
+  - [[Related Concept 1]]
+  ```