add wxapp (#6219)

repository/w.json

@@ -888,6 +888,17 @@
 					"branch": "master"
 				}
 			]
+		},
+		{
+			"name": "wxapp",
+			"details": "https://github.com/FloydaGithub/wxapp",
+			"labels": ["wechat", "wxapp", "mini-program"],
+			"releases": [
+				{
+					"sublime_text": "*",
+					"tags": true
+				}
+			]
 		}
 	]
 }