[ADD] Temaplatetag for path relative to static

AA-GDPR needs this

allianceauth/templatetags/aa_i18n.py

@@ -67,6 +67,26 @@ def get_datatables_language_static(language: str) -> str:
 
     return static_url
 
+@register.simple_tag
+def get_relative_datatables_language_path(language: str) -> str:
+    """
+    Get the correct language code URL for DataTables (relative path to the static folder)
+
+    :param language: Django's language code
+    :type language: str
+    :return: Mapped language code
+    :rtype: str
+    """
+
+    mapped_language = get_datatable_language_code(language)
+    static_url = (
+        f"allianceauth/libs/DataTables/Plugins/2.2.1/i18n/{mapped_language}.json"
+        if mapped_language
+        else ""
+    )
+
+    return static_url
+
 
 @register.simple_tag
 def get_momentjs_language_static(language: str) -> str:
@@ -88,3 +108,24 @@ def get_momentjs_language_static(language: str) -> str:
     )
 
     return static_url
+
+@register.simple_tag
+def get_relative_momentjs_language_path(language: str) -> str:
+    """
+    Get the correct language code URL for Moment.JS (relative path to the static folder)
+
+    :param language: Django's language code
+    :type language: str
+    :return: Mapped language code path
+    :rtype: str
+    """
+
+    mapped_language = get_momentjs_language_code(language)
+
+    static_url = (
+        f"allianceauth/libs/moment.js/2.29.4/locale/{mapped_language}.js"
+        if mapped_language
+        else ""
+    )
+
+    return static_url