Throw out yaml as the python yaml library is badly documented and out of date; use JSON everywhere instead

card_db/en_us/mapping.json

@@ -0,0 +1,17 @@
+{
+    "Action": "Action",
+    "Victory": "Victory",
+    "Attack": "Attack",
+    "Treasure": "Treasure",
+    "Reaction": "Reaction",
+    "Duration": "Duration",
+    "Prize": "Prize",
+    "Shelter": "Shelter",
+    "Ruins": "Ruins",
+    "Looter": "Looter",
+    "Curse": "Curse",
+    "Blank": "Blank",
+    "Reserve": "Reserve",
+    "Traveller": "Traveller",
+    "Event": "Event"
+}

card_db/en_us/mapping.yaml

@@ -1,15 +0,0 @@
-"Action": "Action"
-"Victory": "Victory"
-"Attack": "Attack"
-"Treasure": "Treasure"
-"Reaction": "Reaction"
-"Duration": "Duration"
-"Prize": "Prize"
-"Shelter": "Shelter"
-"Ruins": "Ruins"
-"Looter": "Looter"
-"Curse": "Curse"
-"Blank": "Blank"
-"Reserve": "Reserve"
-"Traveller": "Traveller"
-"Event": "Event"