chore: import upstream snapshot with attribution

examples/snippets/servers/basic_resource.py

@@ -0,0 +1,20 @@
+from mcp.server.mcpserver import MCPServer
+
+mcp = MCPServer(name="Resource Example")
+
+
+@mcp.resource("file://documents/{name}")
+def read_document(name: str) -> str:
+    """Read a document by name."""
+    # This would normally read from disk
+    return f"Content of {name}"
+
+
+@mcp.resource("config://settings")
+def get_settings() -> str:
+    """Get application settings."""
+    return """{
+  "theme": "dark",
+  "language": "en",
+  "debug": false
+}"""