Create a Github Workflow to keep currencies in sync from API

.github/scripts/update_currencies.py

@@ -0,0 +1,37 @@
+import requests
+import json
+import os
+
+def fetch_currencies():
+    response = requests.get('https://restcountries.com/v3.1/all')
+    response.raise_for_status()
+    countries = response.json()
+
+    currencies_list = []
+    for country in countries:
+        country_name = country.get('name', {}).get('common')
+        country_currencies = country.get('currencies', {})
+        for currency_code, currency_info in country_currencies.items():
+            symbol = currency_info.get('symbol', '')
+            # Directly use the symbol as it is
+            currencies_list.append({
+                'code': currency_code,
+                'local': country_name,
+                'symbol': symbol,
+                'name': currency_info.get('name')
+            })
+
+    return currencies_list
+
+def save_currencies(currencies, file_path):
+    os.makedirs(os.path.dirname(file_path), exist_ok=True)
+    with open(file_path, 'w', encoding='utf-8') as f:
+        json.dump(currencies, f, ensure_ascii=False, indent=4)
+
+def main():
+    currencies = fetch_currencies()
+    save_path = 'backend/internal/core/currencies/currencies.json'
+    save_currencies(currencies, save_path)
+
+if __name__ == "__main__":
+    main()