Add templated README to projects

src/create_mcp_server/template/README.md.jinja2

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+# {{server_name}} MCP server
+
+{{server_description}}
+
+## Components
+
+### Resources
+
+The server implements a simple note storage system with:
+- Custom note:// URI scheme for accessing individual notes
+- Each note resource has a name, description and text/plain mimetype
+
+### Prompts
+
+The server provides a single prompt:
+- summarize-notes: Creates summaries of all stored notes
+  - Optional "style" argument to control detail level (brief/detailed)
+  - Generates prompt combining all current notes with style preference
+
+### Tools
+
+The server implements one tool:
+- add-note: Adds a new note to the server
+  - Takes "name" and "content" as required string arguments
+  - Updates server state and notifies clients of resource changes
+
+## Install
+
+### Claude Desktop
+
+Run
+```
+mcp setup --app Claude
+```
+
+or by editing
+
+On MacOS: `~/Library/Application\ Support/Claude/claude_desktop_config.json`
+On Windows: `%APPDATA%/Claude/claude_desktop_config.json`
+
+```
+  "mcpServers": {
+    "{{server_name}}": {
+      "command": "uv",
+      "args": [
+        "--directory",
+        "{{server_directory}}",
+        "run",
+        "{{server_name}}"
+      ]
+    }
+  }
+```