feat: add GitHub Copilot CLI support

- Create .github-copilot/ with plugin.json and marketplace.json manifests
- Add .agent.md symlinks for all 33 agents (Copilot CLI naming convention)
- Create symlinks in .github-copilot/ pointing to agents/, skills/, hooks/, .mcp.json
- Update README.md with Copilot CLI install instructions and cross-platform table
- Update AGENTS.md with Copilot CLI plugin architecture docs
- Update CONTRIBUTING.md with Copilot CLI contribution notes
- Update docs/CATALOG.md with Copilot CLI platform entry

Author: noah-sheldon

.github-copilot/.mcp.json

@@ -0,0 +1 @@
+../.mcp.json

.github-copilot/agents

@@ -0,0 +1 @@
+../agents

.github-copilot/hooks

@@ -0,0 +1 @@
+../hooks

.github-copilot/marketplace.json

@@ -0,0 +1,19 @@
+{
+  "name": "ai-dev-kit",
+  "owner": {
+    "name": "Noah Sheldon",
+    "email": "noahsheldon06@gmail.com"
+  },
+  "metadata": {
+    "description": "Production-ready AI dev workflow scaffold with 59 skills, 33 agents, hooks, rules, and MCP configs for Copilot CLI.",
+    "version": "1.1.0"
+  },
+  "plugins": [
+    {
+      "name": "ai-dev-kit",
+      "description": "Complete plugin suite for professional engineering workflows — TDD, code review, security, ML, infrastructure, data pipelines, and 33 specialized agents.",
+      "version": "1.1.0",
+      "source": "./.github-copilot"
+    }
+  ]
+}

.github-copilot/plugin.json

@@ -0,0 +1,105 @@
+{
+  "name": "ai-dev-kit",
+  "version": "1.1.0",
+  "description": "Production-ready AI dev workflow scaffold with 59 skills, 33 agents, hooks, rules, and MCP configs.",
+  "author": {
+    "name": "Noah Sheldon",
+    "email": "noahsheldon06@gmail.com"
+  },
+  "license": "MIT",
+  "keywords": [
+    "ai",
+    "devops",
+    "full-stack",
+    "typescript",
+    "python",
+    "machine-learning",
+    "llm",
+    "openai",
+    "fastapi",
+    "react",
+    "next-js",
+    "node-js",
+    "aws",
+    "docker",
+    "kubernetes",
+    "infrastructure",
+    "testing",
+    "tdd",
+    "data-engineering",
+    "etl",
+    "database",
+    "postgres",
+    "mcp",
+    "agents",
+    "skills",
+    "automation",
+    "code-review",
+    "security",
+    "ci-cd",
+    "git",
+    "plugin",
+    "agentic-engineering",
+    "api-design",
+    "api-integrations",
+    "architecture-decision-records",
+    "autonomous-agent-harness",
+    "autonomous-loops",
+    "aws-deployment",
+    "aws-devops",
+    "backend-patterns",
+    "ci-pipeline",
+    "claude-api",
+    "codebase-onboarding",
+    "coding-standards",
+    "context-prune",
+    "continuous-agent-loop",
+    "data-pipelines",
+    "data-pipelines-ai",
+    "database-migrations",
+    "deep-research",
+    "deployment-patterns",
+    "dmux-workflows",
+    "docker-patterns",
+    "document-processing",
+    "documentation-lookup",
+    "e2e-testing",
+    "eval-harness",
+    "exa-search",
+    "frontend-design",
+    "frontend-patterns",
+    "git-workflow",
+    "github-ops",
+    "hexagonal-architecture",
+    "iterative-retrieval",
+    "langchain-llamaindex",
+    "mcp-server-patterns",
+    "mlops-rag",
+    "mlops-workflow",
+    "multi-agent-git-workflow",
+    "observability-telemetry",
+    "openai-api",
+    "postgres-patterns",
+    "prompt-optimizer",
+    "python-patterns",
+    "python-testing",
+    "pytorch-patterns",
+    "search-first",
+    "security-review",
+    "security-scan",
+    "skill-authoring",
+    "tdd-workflow",
+    "token-budget-advisor",
+    "typescript-patterns",
+    "verification-loop",
+    "wxt-chrome-extension",
+    "codebase-report",
+    "technical-debt-report",
+    "backlog-management",
+    "workflow-status"
+  ],
+  "agents": "agents/",
+  "skills": ["skills/"],
+  "hooks": "hooks/hooks.json",
+  "mcpServers": ".mcp.json"
+}

.github-copilot/skills

@@ -0,0 +1 @@
+../skills