add middleware to optionally allow requests from giving ips/ranges

add new remote param to docker and file providers

lint: http nil body

add support of remote ips to consul provider

local implementation of onlyfrom middleware

lint: missing comment

make proxy tests more readable

preffer public IP if any forwwarded

app/proxy/handlers_test.go

@@ -244,5 +244,4 @@ func TestHttp_basicAuthHandler(t *testing.T) {
 			require.Equal(t, http.StatusOK, resp.StatusCode)
 		})
 	}
-
 }