chore: import upstream snapshot with attribution

internal/website/docs/examples/hello-service.md

@@ -0,0 +1,60 @@
+---
+layout: default
+---
+
+# Hello Service
+
+A minimal HTTP service using Go Micro, with a single endpoint.
+
+## Service
+
+```go
+package main
+
+import (
+    "context"
+    "go-micro.dev/v6"
+)
+
+type Request struct { Name string `json:"name"` }
+
+type Response struct { Message string `json:"message"` }
+
+type Say struct{}
+
+func (h *Say) Hello(ctx context.Context, req *Request, rsp *Response) error {
+    rsp.Message = "Hello " + req.Name
+    return nil
+}
+
+func main() {
+    svc := micro.NewService("helloworld")
+    svc.Init()
+    svc.Handle(new(Say))
+    svc.Run()
+}
+```
+
+Run it:
+
+```bash
+go run main.go
+```
+
+Call it:
+
+```bash
+curl -XPOST \
+  -H 'Content-Type: application/json' \
+  -H 'Micro-Endpoint: Say.Hello' \
+  -d '{"name": "Alice"}' \
+  http://127.0.0.1:8080
+```
+
+Set a fixed address:
+
+```go
+svc := micro.NewService("helloworld",
+    micro.Address(":8080"),
+)
+```