add get version restful api

postman/ZLMediaKit.postman_collection.json

 {
 	"info": {
-		"_postman_id": "fe6cdfbd-531d-45e6-87e5-d460ce9e6328",
+		"_postman_id": "4626d766-16b5-4255-89ba-f7614de2398c",
 		"name": "ZLMediaKit",
 		"description": "媒体服务器",
 		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
@@ -1087,7 +1087,7 @@
 						},
 						{
 							"key": "speed",
-							"value": 2.0,
+							"value": "2.0",
 							"description": "要设置的录像倍速"
 						}
 					]
@@ -1690,6 +1690,31 @@
 				}
 			},
 			"response": []
+		},
+		{
+			"name": "获取版本信息(version)",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": "{{ZLMediaKit_URL}}/index/api/version?secret={{ZLMediaKit_secret}}",
+					"host": [
+						"{{ZLMediaKit_URL}}"
+					],
+					"path": [
+						"index",
+						"api",
+						"version"
+					],
+					"query": [
+						{
+							"key": "secret",
+							"value": "{{ZLMediaKit_secret}}"
+						}
+					]
+				}
+			},
+			"response": []
 		}
 	],
 	"event": [

server/WebApi.cpp

@@ -48,6 +48,10 @@
 #include <tchar.h>
 #endif // _WIN32
 
+#if defined(ENABLE_VERSION)
+#include "version.h"
+#endif
+
 using namespace std;
 using namespace Json;
 using namespace toolkit;
@@ -1542,6 +1546,18 @@ void installWebApi() {
     });
 #endif
 
+#if defined(ENABLE_VERSION)
+    api_regist("/index/api/version",[](API_ARGS_MAP_ASYNC){
+        CHECK_SECRET();
+        Value ver;
+        ver["buildTime"] = BUILD_TIME;
+        ver["branchName"] = BRANCH_NAME;
+        ver["commitHash"] = COMMIT_HASH;
+        val["data"] = ver;
+        invoker(200, headerOut, val.toStyledString());
+    });
+#endif
+
     ////////////以下是注册的Hook API////////////
     api_regist("/index/hook/on_publish",[](API_ARGS_JSON){
         //开始推流事件