Add herdyo command for an example of a multisite

cmd/herdyo/herdyo.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-contrib/sessions"
+	"github.com/schollz/cowyo/server"
+)
+
+func main() {
+	store := sessions.NewCookieStore([]byte("secret"))
+
+	first := server.Site{
+		PathToData:           "site1",
+		Debounce:             500,
+		SessionStore:         store,
+		AllowInsecure:        true,
+		HotTemplateReloading: true,
+		Fileuploads:          true,
+		MaxUploadSize:        2,
+	}.Router()
+
+	second := server.Site{
+		PathToData:           "site2",
+		Debounce:             500,
+		SessionStore:         store,
+		AllowInsecure:        true,
+		HotTemplateReloading: true,
+		Fileuploads:          true,
+		MaxUploadSize:        2,
+	}.Router()
+	panic(http.ListenAndServe("localhost:8000", http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
+		if strings.HasPrefix(r.Host, "first") {
+			first.ServeHTTP(rw, r)
+		} else if strings.HasPrefix(r.Host, "second") {
+			second.ServeHTTP(rw, r)
+		} else {
+			http.NotFound(rw, r)
+		}
+	})))
+}