#527 Added assets for hard difficulty

...e/crimescene/common/gfx/actioncards/hard/level1/alarm.png

...e/crimescene/common/gfx/actioncards/hard/level1/bench.png

.../crimescene/common/gfx/actioncards/hard/level1/bucket.png

...e/crimescene/common/gfx/actioncards/hard/level1/steps.png

.../crimescene/common/gfx/actioncards/hard/level1_2/book.png

...crimescene/common/gfx/actioncards/hard/level1_2/clock.png

...crimescene/common/gfx/actioncards/hard/level1_2/coins.png

.../crimescene/common/gfx/actioncards/hard/level1_2/door.png

...rimescene/common/gfx/actioncards/hard/level1_2/inkpot.png

.../crimescene/common/gfx/actioncards/hard/level1_2/lamp.png

...e/crimescene/common/gfx/actioncards/hard/level1_2/pen.png

...ene/common/gfx/actioncards/hard/level1_2/phone_hangup.png

...scene/common/gfx/actioncards/hard/level1_2/phone_ring.png

...scene/common/gfx/actioncards/hard/level1_2/phone_talk.png

...crimescene/common/gfx/actioncards/hard/level1_2/stamp.png

...rimescene/common/gfx/actioncards/hard/level1_2/window.png

...e/crimescene/common/gfx/actioncards/hard/level2/books.png

...crimescene/common/gfx/actioncards/hard/level2/curtain.png

...e/crimescene/common/gfx/actioncards/hard/level2/paper.png

...me/crimescene/common/gfx/actioncards/hard/level2/safe.png