docs: 提供微信公众平台模块的示例项目

samples/SKIT.FlurlHttpClient.Wechat.Api.Sample_Net5/Properties/launchSettings.json

@@ -0,0 +1,14 @@
+{
+    "$schema": "http://json.schemastore.org/launchsettings.json",
+    "profiles": {
+        "SKIT.FlurlHttpClient.Wechat.Api.Demo": {
+            "commandName": "Project",
+            "dotnetRunMessages": "true",
+            "launchBrowser": false,
+            "applicationUrl": "http://localhost:5000",
+            "environmentVariables": {
+                "ASPNETCORE_ENVIRONMENT": "Development"
+            }
+        }
+    }
+}