Added more custom exceptions and prepared everything for documentation

classes/errors/discord.py

@@ -0,0 +1,28 @@
+class DiscordGuildMemberNotFoundError(Exception):
+    """Member was not found in a discord guild"""
+
+    def __init__(self, user_id: int, guild_id: int) -> None:
+        self.user_id: int = user_id
+        self.guild_id: int = guild_id
+
+        super().__init__(f"Member with id {self.user_id} was not found in guild with id {self.guild_id}")
+
+
+class DiscordCategoryNotFoundError(Exception):
+    """Category was not found in a discord guild"""
+
+    def __init__(self, category_id: int, guild_id: int) -> None:
+        self.category_id: int = category_id
+        self.guild_id: int = guild_id
+
+        super().__init__(f"Category with id {self.category_id} was not found in guild with id {self.guild_id}")
+
+
+class DiscordChannelNotFoundError(Exception):
+    """Channel was not found in a discord guild"""
+
+    def __init__(self, channel_id: int, guild_id: int) -> None:
+        self.channel_id: int = channel_id
+        self.guild_id: int = guild_id
+
+        super().__init__(f"Channel with id {self.channel_id} was not found in guild with id {self.guild_id}")