chore(git): add attributes

.gitattributes

@@ -1 +1,2 @@
 *.tflite filter=lfs diff=lfs merge=lfs -text
+* text=auto eol=lf

server/src/main/kotlin/cn/yooss/util/DatabaseUtil.kt

@@ -0,0 +1,44 @@
+package cn.yooss.util
+
+/*
+ * Author: ZhuJHua
+ * Date: 2024/11/25 22:08
+ * Description: Database
+ */
+
+import com.mongodb.ConnectionString
+import com.mongodb.MongoClientSettings
+import com.mongodb.ServerApi
+import com.mongodb.ServerApiVersion
+import com.mongodb.kotlin.client.coroutine.MongoClient
+import kotlinx.coroutines.runBlocking
+import org.bson.Document
+
+
+object MongoClientConnectionExample {
+
+    fun main() {
+        // Replace the placeholders with your credentials and hostname
+        val connectionString =
+            ""
+
+        val serverApi = ServerApi.builder()
+            .version(ServerApiVersion.V1)
+            .build()
+
+        val mongoClientSettings = MongoClientSettings.builder()
+            .applyConnectionString(ConnectionString(connectionString))
+            .serverApi(serverApi)
+            .build()
+
+        // Create a new client and connect to the server
+        MongoClient.create(mongoClientSettings).use { mongoClient ->
+            val database = mongoClient.getDatabase("admin")
+            runBlocking {
+                database.runCommand(Document("ping", 1))
+            }
+            println("Pinged your deployment. You successfully connected to MongoDB!")
+        }
+    }
+
+}