add libraries etc.

main.go

@@ -1,3 +1,19 @@
 package main
 
-func main() {}
+import rl "github.com/gen2brain/raylib-go/raylib"
+
+func main() {
+	rl.InitWindow(800, 450, "raylib [core] example - basic window")
+	defer rl.CloseWindow()
+
+	rl.SetTargetFPS(60)
+
+	for !rl.WindowShouldClose() {
+		rl.BeginDrawing()
+
+		rl.ClearBackground(rl.RayWhite)
+		rl.DrawText("Congrats! You created your first window!", 190, 200, 20, rl.LightGray)
+
+		rl.EndDrawing()
+	}
+}