Create a base react-admin application

yarn create react-app synapse-admin

Change-Id: I2ea325e5825898aefd30e2cd15d4f2ef57949879

package.json

@@ -0,0 +1,45 @@
+{
+  "name": "synapse-admin",
+  "version": "0.1.0",
+  "description": "Admin GUI for the Matrix.org server Synapse",
+  "author": "Awesome Technologies Innovationslabor GmbH",
+  "license": "Apache-2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Awesome-Technologies/synapse-admin"
+  },
+  "devDependencies": {
+    "@testing-library/jest-dom": "^5.1.1",
+    "@testing-library/react": "^9.4.0",
+    "@testing-library/user-event": "^8.1.0",
+    "prettier": "^1.19.1"
+  },
+  "dependencies": {
+    "prop-types": "^15.7.2",
+    "react": "^16.12.0",
+    "react-admin": "^3.1.3",
+    "react-dom": "^16.12.0",
+    "react-scripts": "^3.3.0"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}