TBR croupier: Add missing pass images

They were present in my repo, but I forgot to commit them earlier.

Change-Id: I8c03235dd38da77f745d95d34fd14138781475a7
diff --git a/images/games/hearts/pass_across.png b/images/games/hearts/pass_across.png
new file mode 100644
index 0000000..924146b
--- /dev/null
+++ b/images/games/hearts/pass_across.png
Binary files differ
diff --git a/images/games/hearts/pass_left.png b/images/games/hearts/pass_left.png
new file mode 100644
index 0000000..fe0b796
--- /dev/null
+++ b/images/games/hearts/pass_left.png
Binary files differ
diff --git a/images/games/hearts/pass_right.png b/images/games/hearts/pass_right.png
new file mode 100644
index 0000000..ca62fde
--- /dev/null
+++ b/images/games/hearts/pass_right.png
Binary files differ