feat: add Maestro MCP server (#210)

* init

* update icon url

* fix server description, tags, add tools.json

Author: waymobetta

servers/maestro-mcp-server/server.yaml

@@ -0,0 +1,23 @@
+name: maestro-mcp-server
+image: mcp/maestro-mcp-server
+type: server
+meta:
+    category: monitoring
+    tags:
+        - monitoring
+        - blockchain
+        - bitcoin
+        - rpc
+about:
+    title: Maestro MCP Server
+    description: A Model Context Protocol (MCP) server exposing Bitcoin blockchain data through the Maestro API platform. Provides tools to explore blocks, transactions, addresses, inscriptions, runes, and other metaprotocol data.
+    icon: https://avatars.githubusercontent.com/u/84299480?s=200&v=4
+source:
+    project: https://github.com/maestro-org/maestro-mcp-server
+    branch: main
+config:
+    description: Configure the connection to Maestro MCP Server
+    secrets:
+        - name: maestro-mcp-server.API_KEY_API_KEY
+          env: API_KEY_API_KEY
+          example: your-maestro-api-key