feat: add predicate for guild admin check

src/byte/lib/utils.py

@@ -29,6 +29,10 @@
     "RuffRule",
     "FormattedRuffRule",
     "PEP",
+    "PEPType",
+    "PEPStatus",
+    "PEPHistoryItem",
+    "is_guild_admin",
     "is_byte_dev",
     "linker",
     "mention_user",
@@ -142,6 +146,27 @@ class PEP(TypedDict):
     url: str
 
 
+def is_guild_admin() -> Check[Any]:
+    """Check if the user is a guild admin.
+
+    Returns:
+        A check function.
+    """
+
+    async def predicate(ctx: Context) -> bool:
+        """Check if the user is a guild admin.
+
+        Args:
+            ctx: Context object.
+
+        Returns:
+            True if the user is a guild admin, False otherwise.
+        """
+        return ctx.author.guild_permissions.administrator
+
+    return commands.check(predicate)
+
+
 def is_byte_dev() -> Check[Any]:
     """Check if the user is a Byte developer.