add initial (pretty naive) server implementation

imageproxy.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/willnorris/go-imageproxy/proxy"
+)
+
+func main() {
+	p := proxy.NewProxy(nil)
+	server := &http.Server{
+		Addr:    ":8080",
+		Handler: p,
+	}
+	err := server.ListenAndServe()
+	if err != nil {
+		log.Fatal("ListenAndServe: ", err)
+	}
+}