Added request and response

Request.go

@@ -0,0 +1,42 @@
+package server
+
+import "net/http"
+
+// Request is an interface for HTTP requests.
+type Request interface {
+	Header(key string) string
+	Host() string
+	Method() string
+	Path() string
+	Protocol() string
+}
+
+// request represents the HTTP request used in the given context.
+type request struct {
+	*http.Request
+}
+
+// Header returns the header value for the given key.
+func (req request) Header(key string) string {
+	return req.Request.Header.Get(key)
+}
+
+// Method returns the request method.
+func (req request) Method() string {
+	return req.Request.Method
+}
+
+// Protocol returns the request protocol.
+func (req request) Protocol() string {
+	return req.Request.Proto
+}
+
+// Host returns the requested host.
+func (req request) Host() string {
+	return req.Request.Host
+}
+
+// Path returns the requested path.
+func (req request) Path() string {
+	return req.Request.URL.Path
+}