Implement file system API and add shutdown functionality for desktop builds

software/init.go

@@ -0,0 +1,15 @@
+package main
+
+// Declare a main function, this is the entrypoint into our go module
+// That will be run. In our example, we won't need this
+func main() {}
+
+// This exports an add function.
+// It takes in two 32-bit integer values
+// And returns a 32-bit integer value.
+// To make this function callable from JavaScript,
+// we need to add the: "export add" comment above the function
+//export add
+func add(x int, y int) int {
+	return x + y
+}