Add react 19 to peerDeps. Fixes #2978

Author: hodgef

build/css/index.css

@@ -73,8 +73,8 @@
     "mini-css-extract-plugin": "^2.9.2",
     "postcss": "^8.4.49",
     "postcss-loader": "^8.1.1",
-    "react": "^16.0.0 || ^17.0.0 || ^18.0.0",
-    "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0",
+    "react": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+    "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
     "simple-keyboard": "3.8.25",
     "style-loader": "^4.0.0",
     "terser-webpack-plugin": "^5.3.11",
@@ -85,8 +85,8 @@
     "webpack-dev-server": "4.13.3"
   },
   "peerDependencies": {
-    "react": "^16.0.0 || ^17.0.0 || ^18.0.0",
-    "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0"
+    "react": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+    "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
   },
   "jest": {
     "testEnvironment": "jsdom",