Initial scaffold for OCI Deal Accelerator Codex plugin

Wraps the remote MCP server at https://mcp.tech-lad.com/deal-accelerator/mcp/
and bundles the companion skill for distribution via ai-lad.com.

- .codex-plugin/plugin.json: manifest with Oracle-red branding and 14-tool capabilities
- .mcp.json: streamable HTTP transport pointing at the production MCP URL
- skills/oci-deal-accelerator/SKILL.md: copied from the skill repo
- assets/: placeholder logo, icon, screenshot (replace before first release)
- README: install flow for Windows/macOS/Linux via ai-lad.com

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.mcp.json

@@ -0,0 +1,8 @@
+{
+  "mcpServers": {
+    "oci-deal-accelerator": {
+      "type": "http",
+      "url": "https://mcp.tech-lad.com/deal-accelerator/mcp/"
+    }
+  }
+}