Add visit web tool

Add send message tools
Update version to v1.7.0

src/main/kotlin/tools/StopLoopAgent.kt

@@ -0,0 +1,12 @@
+package top.jie65535.mirai.tools
+
+import com.aallam.openai.api.chat.Tool
+import com.aallam.openai.api.core.Parameters
+
+class StopLoopAgent : BaseAgent(
+    tool = Tool.function(
+        name = "endConversation",
+        description = "结束本轮对话",
+        parameters = Parameters.Empty
+    )
+)