Add JSON game database to replace dat parsing

scripts/merge_gamedb.py

@@ -0,0 +1,20 @@
+import json
+import sys
+import os
+
+if __name__ == "__main__":
+    if (len(sys.argv) < 3):
+        print("usage: %s <gamedb dir> <output path>" % sys.argv[0])
+        sys.exit(1)
+
+    games = []
+    for file in os.listdir(sys.argv[1]):
+        with open(os.path.join(sys.argv[1], file), "r") as f:
+            fgames = json.load(f)
+            games.extend(list(fgames))
+
+
+    with open(sys.argv[2], "w") as f:
+        json.dump(games, f, indent=1)
+
+    print("Wrote %s" % sys.argv[2])