Added a data entry page with initial content.

package.json

@@ -23,6 +23,7 @@
     "svelte": "^3.46.4",
     "svelte-material-ui": "^6.0.0-beta.16",
     "tinro": "^0.6.12",
+    "umbrellajs": "^3.3.1",
     "underscore": "^1.13.2",
     "winston": "^3.7.2",
     "winston-daily-rotate-file": "^4.6.1",
@@ -47,7 +48,7 @@
       "svelte",
       "html"
     ],
-    "hydratable": true,
+    "hydratable": false,
     "css": true
   },
   "devDependencies": {
@@ -56,6 +57,7 @@
     "@smui/textfield": "^6.0.0-beta.16",
     "chai": "^4.2.0",
     "rollup-plugin-css-only": "^3.1.0",
-    "smui-theme": "^6.0.0-beta.16"
+    "smui-theme": "^6.0.0-beta.16",
+    "typescript": "^4.7.4"
   }
 }