Add mcp-manager app: MCP server control panel w/ HTTPS SSE bridge

Single-container FastAPI + React UI plus mongo:7. Image bundles Node 20 + uv/uvx
so npx/uvx MCP servers run; package caches persisted under app-data. 127.0.0.1
/api healthcheck; admin email/password form fields + auto-generated JWT secret.

apps/mcp-manager/config.json

@@ -0,0 +1,45 @@
+{
+  "$schema": "https://schemas.runtipi.io/app-info.json",
+  "name": "MCP Manager",
+  "id": "mcp-manager",
+  "available": true,
+  "short_desc": "Manage MCP servers behind a login and expose them to Claude over HTTPS/SSE.",
+  "author": "alexz",
+  "port": 8501,
+  "categories": ["ai", "utilities"],
+  "description": "A control panel for your Model Context Protocol (MCP) servers. Add, edit, run and monitor stdio / SSE / HTTP servers, then export a ready-to-paste Claude configuration. stdio servers (npx- and uvx-based) are launched inside the container and exposed over HTTPS through the built-in SSE bridge. Node 20 and uv/uvx ship in the image, and every package cache is persisted to app-data so servers download once and survive restarts.",
+  "tipi_version": 1,
+  "version": "1.0.0",
+  "source": "https://git.alexzaw.dev/alexz/mcp-manager",
+  "website": "https://git.alexzaw.dev/alexz/mcp-manager",
+  "exposable": true,
+  "dynamic_config": true,
+  "no_gui": false,
+  "min_tipi_version": "4.0.0",
+  "supported_architectures": ["amd64"],
+  "form_fields": [
+    {
+      "type": "text",
+      "label": "Admin email",
+      "env_variable": "ADMIN_EMAIL",
+      "required": true,
+      "hint": "Email used to log in to the dashboard."
+    },
+    {
+      "type": "password",
+      "label": "Admin password",
+      "env_variable": "ADMIN_PASSWORD",
+      "required": true,
+      "min": 8,
+      "hint": "Password for the admin account."
+    },
+    {
+      "type": "random",
+      "label": "JWT secret",
+      "env_variable": "JWT_SECRET",
+      "min": 64,
+      "encoding": "hex",
+      "hint": "Auto-generated signing secret for login sessions."
+    }
+  ]
+}