core&ui&elastic: support elastic search and allow search result pagination

packages/elastic/package.json

@@ -0,0 +1,11 @@
+{
+    "name": "@hydrooj/elastic-search",
+    "version": "1.0.0",
+    "main": "package.json",
+    "repository": "https://github.com/hydro-dev/Hydro",
+    "author": "undefined <i@undefined.moe>",
+    "license": "AGPL-3.0-or-later",
+    "dependencies": {
+        "@elastic/elasticsearch": "^8.1.0"
+    }
+}