Added an info box for name, repo link.

src/simulator/gui_info_box.odin

@@ -0,0 +1,51 @@
+package simulator
+import rl "vendor:raylib"
+
+gui_info_box :: proc(rect: rl.Rectangle, sim: ^Simulator, screen_width: f32, screen_height: f32) {
+	if sim.info_box {
+		screen_rect := rl.Rectangle{0, 0, screen_width, screen_height}
+		rl.DrawRectangleRec(screen_rect, {0, 0, 0, 140})
+		if rl.GuiWindowBox(rect, "App Info") > 0 {
+			sim.info_box = false
+		}
+
+		content_y := rect.y + 24
+		center_x  := rect.x + rect.width / 2
+
+		name_text   : cstring = "Octal Cookie"
+		desc_text   : cstring = "A CHIP-8 emulator and simulator written in Odin."
+		source_text : cstring = "https://codeberg.org/jasonhilder/octal_cookie"
+
+		name_size   := rl.MeasureTextEx(sim.font, name_text,   18, 1)
+		desc_size   := rl.MeasureTextEx(sim.font, desc_text,   18, 1)
+		source_size := rl.MeasureTextEx(sim.font, source_text, 18, 1)
+
+		rl.DrawTextEx(sim.font, name_text, {center_x - name_size.x / 2, content_y + 20}, 18, 1, rl.WHITE)
+
+		rl.DrawTextEx(sim.font, desc_text, {center_x - desc_size.x / 2, content_y + 46}, 18, 1, rl.WHITE)
+
+		source_pos := rl.Vector2{center_x - source_size.x / 2, content_y + 72}
+		rl.DrawTextEx(sim.font, source_text, source_pos, 18, 1, rl.SKYBLUE)
+
+		source_rect := rl.Rectangle{
+			x      = source_pos.x,
+			y      = source_pos.y,
+			width  = source_size.x,
+			height = source_size.y,
+		}
+
+		mouse := rl.GetMousePosition()
+		if rl.CheckCollisionPointRec(mouse, source_rect) {
+			rl.SetMouseCursor(.POINTING_HAND)
+
+			rl.DrawRectangleRec( {source_pos.x, source_pos.y + source_size.y - 1, source_size.x, 1}, rl.SKYBLUE,)
+
+			if rl.IsMouseButtonPressed(.LEFT) {
+				rl.OpenURL("https://codeberg.org/jasonhilder/octal_cookie")
+			}
+
+		} else {
+			rl.SetMouseCursor(.DEFAULT)
+		}
+	}
+}