Add settings page for managing forecasting API key and URL via UI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/node_modules/react-is/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "react-is",
+  "version": "19.2.7",
+  "description": "Brand checking of React Elements.",
+  "main": "index.js",
+  "sideEffects": false,
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/facebook/react.git",
+    "directory": "packages/react-is"
+  },
+  "keywords": [
+    "react"
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/facebook/react/issues"
+  },
+  "homepage": "https://react.dev/",
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js",
+    "cjs/"
+  ]
+}