Pause menu - Gameover in progress

Pausing will work if you use Time.deltaTime - right now it looks a bit
silly bc soldier movement doesn’t so it keeps moving while “paused”.
Using Time.deltaTime will also smooth movement and such - making it
(and anything else) be dependent on time, not frames (if using frames,
movement speed will vary with fps). This may help avoid making our game
“feel” laggy. Talk to me if you want more info.