Added logic to handle commands

src/cpl_discord/events/on_command_abc.py

@@ -0,0 +1,12 @@
+from abc import ABC, abstractmethod
+
+from discord.ext.commands import Context
+
+
+class OnCommandABC(ABC):
+
+    @abstractmethod
+    def __init__(self): pass
+
+    @abstractmethod
+    async def on_command(self, ctx: Context): pass

src/cpl_discord/events/on_command_completion_abc.py

@@ -0,0 +1,12 @@
+from abc import ABC, abstractmethod
+
+from discord.ext.commands import Context, CommandError
+
+
+class OnCommandCompletionABC(ABC):
+
+    @abstractmethod
+    def __init__(self): pass
+
+    @abstractmethod
+    async def on_command_completion(self, ctx: Context): pass

src/cpl_discord/events/on_command_error_abc.py

@@ -0,0 +1,12 @@
+from abc import ABC, abstractmethod
+
+from discord.ext.commands import Context, CommandError
+
+
+class OnCommandErrorABC(ABC):
+
+    @abstractmethod
+    def __init__(self): pass
+
+    @abstractmethod
+    async def on_command_error(self, ctx: Context, error: CommandError): pass