- add '.gitea/workflows/build.yaml'

- npm updates
- add map tool for drawing rectangles

resources/js/Components/Map/utilities.ts

@@ -0,0 +1,12 @@
+// extend an object with properties of one or more other objects
+export function extend(dest) {
+	var i, j, len, src;
+
+	for (j = 1, len = arguments.length; j < len; j++) {
+		src = arguments[j];
+		for (i in src) {
+			dest[i] = src[i];
+		}
+	}
+	return dest;
+}