Add announcement banner to show updates or important information (#350)

* Add contrast color

* Add crypto-js for md5 hash

* Add announcement banner

package.json

@@ -32,6 +32,7 @@
     "@tabler/icons-react": "^2.39.0",
     "@tanstack/match-sorter-utils": "^8.8.4",
     "@tanstack/react-table": "^8.10.7",
+    "@types/crypto-js": "^4.2.2",
     "@types/lodash": "^4.14.200",
     "@types/node": "20.10.6",
     "@types/react": "^18",
@@ -40,6 +41,7 @@
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.0.0",
     "cmdk": "^0.2.0",
+    "crypto-js": "^4.2.0",
     "date-fns": "^2.30.0",
     "dayjs": "^1.11.10",
     "eslint": "^8",