Add skills.json parser & data

Build a lookup table to map from Id to string.

contrib/skills.py

@@ -0,0 +1,28 @@
+import json
+import csv
+import os
+import sys
+
+path = sys.argv[1] if len(sys.argv) >= 2 else "."
+
+items = {}
+
+item_patches = {
+    "tbk": {"class": "tome"},
+    "ibk": {"class": "tome"},
+}
+
+with open(os.path.join(path, "skills.json"), encoding="utf-8-sig") as f:
+    rows = json.load(f)
+
+lookup_table = {}
+for entry in rows:
+    key = entry["Key"]
+    text = entry["enUS"]
+    if len(text.strip()) == 0:
+        continue
+    lookup_table[key] = text
+
+with open("skills.json", "w", newline="\n") as f:
+    json.dump(lookup_table, f, indent=4)
+    f.write("\n")