Add achievement background images

Co-Authored-By: Vlad Loktionov <13555921+VladWinner@users.noreply.github.com>

data/zone_source/h2_mod_ui.csv

@@ -92,5 +92,57 @@ material,trophy_49
 material,trophy_50
 material,trophy_51
 material,trophy_52
+
+material,achievement_bg_1
+material,achievement_bg_2
+material,achievement_bg_3
+material,achievement_bg_4
+material,achievement_bg_5
+material,achievement_bg_6
+material,achievement_bg_7
+material,achievement_bg_8
+material,achievement_bg_9
+material,achievement_bg_10
+material,achievement_bg_11
+material,achievement_bg_12
+material,achievement_bg_13
+material,achievement_bg_14
+material,achievement_bg_15
+material,achievement_bg_16
+material,achievement_bg_17
+material,achievement_bg_18
+material,achievement_bg_19
+material,achievement_bg_20
+material,achievement_bg_21
+material,achievement_bg_22
+material,achievement_bg_23
+material,achievement_bg_24
+material,achievement_bg_25
+material,achievement_bg_26
+material,achievement_bg_27
+material,achievement_bg_28
+material,achievement_bg_29
+material,achievement_bg_30
+material,achievement_bg_31
+material,achievement_bg_32
+material,achievement_bg_33
+material,achievement_bg_34
+material,achievement_bg_35
+material,achievement_bg_36
+material,achievement_bg_37
+material,achievement_bg_38
+material,achievement_bg_39
+material,achievement_bg_40
+material,achievement_bg_41
+material,achievement_bg_42
+material,achievement_bg_43
+material,achievement_bg_44
+material,achievement_bg_45
+material,achievement_bg_46
+material,achievement_bg_47
+material,achievement_bg_48
+material,achievement_bg_49
+material,achievement_bg_50
+
 localize,english
 sound,ui_achievement_unlocked