feat: add startup-business-analyst plugin

Comprehensive startup analysis plugin with market sizing, financial modeling, team planning, and strategic research for early-stage companies.

- 5 skills: market sizing, financial modeling, team planning, competitive analysis, metrics
- 3 commands: market-opportunity, financial-projections, business-case
- 1 agent: startup-analyst
- Covers TAM/SAM/SOM, unit economics, competitive landscape, hiring plans

plugins/startup-business-analyst/.claude-plugin/plugin.json

@@ -0,0 +1,23 @@
+{
+  "name": "startup-business-analyst",
+  "version": "1.0.0",
+  "description": "Comprehensive startup business analysis with market sizing (TAM/SAM/SOM), financial modeling, team planning, and strategic research for early-stage companies",
+  "author": {
+    "name": "Seth Hobson",
+    "email": "seth@major7apps.com",
+    "url": "https://github.com/wshobson"
+  },
+  "homepage": "https://github.com/wshobson/agents",
+  "repository": "https://github.com/wshobson/agents",
+  "license": "MIT",
+  "keywords": [
+    "startup",
+    "business-analysis",
+    "market-sizing",
+    "tam-sam-som",
+    "financial-modeling",
+    "business-planning",
+    "fundraising"
+  ],
+  "category": "business"
+}