Update Dockerfile, docker-compose, and package.json; add versioning script and styles for version display

Fix #21

package.json

@@ -1,24 +1,25 @@
 {
-  "name": "pwa",
+  "name": "org-todo-pwa",
   "version": "1.0.0",
   "description": "",
-  "main": "app.js",
+  "main": "main.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "node build.js"
   },
   "keywords": [],
   "author": "",
   "license": "ISC",
   "dependencies": {
     "basic-auth": "^2.0.1",
-    "body-parser": "^1.20.3",
-    "connect-sqlite3": "^0.9.15",
-    "cookie-parser": "^1.4.7",
-    "debug": "^4.4.0",
-    "dotenv": "^16.4.7",
-    "express": "^4.21.2",
-    "express-session": "^1.18.1",
+    "body-parser": "^1.19.0",
+    "connect-sqlite3": "^0.9.11",
+    "cookie-parser": "^1.4.5",
+    "debug": "^4.3.1",
+    "dotenv": "^8.2.0",
+    "express": "^4.17.1",
+    "express-session": "^1.17.1",
     "fs": "^0.0.1-security",
     "winston": "^3.17.0"
-  }
+    }
 }