Add singlestore upsert and existing

package.json

@@ -28,7 +28,6 @@
         "*.{js,jsx,ts,tsx,json,md}": "eslint --fix"
     },
     "devDependencies": {
-        "turbo": "1.7.4",
         "@babel/preset-env": "^7.19.4",
         "@babel/preset-typescript": "7.18.6",
         "@types/express": "^4.17.13",
@@ -48,9 +47,13 @@
         "pretty-quick": "^3.1.3",
         "rimraf": "^3.0.2",
         "run-script-os": "^1.1.6",
+        "turbo": "1.7.4",
         "typescript": "^4.8.4"
     },
     "engines": {
         "node": ">=18.15.0"
+    },
+    "dependencies": {
+        "mysql2": "^3.5.1"
     }
 }