Implemented automatic brain detection from URL

microdraw/src/atlas_ui.js

@@ -207,6 +207,7 @@ var app = new Vue({
 		newProject: function () {
 			// Create a new project and set it as selected project to be edited
 			let new_project = new Project();
+			new_project.brain = /B(?<brain>\d+)\.json/.exec(myOrigin.source)["groups"]["brain"]
 			this.selected_project = new_project;
 		},
 		editProject: function (project) {