feat(mcp): .mcp.json with context7 and svelte on request

template/{% if mcp_servers %}.mcp.json{% endif %}.jinja

@@ -0,0 +1,11 @@
+{%- set urls = {'context7': 'https://mcp.context7.com/mcp', 'svelte': 'https://mcp.svelte.dev/mcp'} -%}
+{
+  "mcpServers": {
+{%- for server in mcp_servers %}
+    "{{ server }}": {
+      "type": "http",
+      "url": "{{ urls[server] }}"
+    }{{ "," if not loop.last }}
+{%- endfor %}
+  }
+}