doc: Add docstrings to the messagecommands

src/whatsapp_transcribe/commands.py

@@ -5,21 +5,47 @@
 
 @dataclass()
 class Message:
+    """
+    Represents a message sent to the service
+    """
+
     body: str
     from_number: str
 
 
 class MessageCommand(Protocol):
+    """
+    Base Class defining the methods to define on all Commands.
+
+    We are using a command pattern and therefore implement one command in one
+    Command Protocol instance.
+
+    To create a new command correctly implement the MessageCommand Protocl
+    """
+
     def handle_message(self, message: Message) -> str:
         pass
 
 
 class EchoCommand(MessageCommand):
+    """
+    EchoCommand returns the message sent to the service prefixed with "Echo: "
+
+    Assumes that the message is prefixed with "echo" and the message to echo
+    is the rest of the message.
+    """
+
     def handle_message(self, message: Message):
         return f"Echo: {message.body.split(' ', 1)[1]}"
 
 
 class HelpCommand(MessageCommand):
+    """
+    HelpCommand returns a help message for the user.
+
+    The help message contains information about the available commands.
+    """
+
     def handle_message(self, message: Message):
         return dedent("""\
         Send a voice message to transcribe and summarize.

src/whatsapp_transcribe/summarize.py

@@ -51,6 +51,7 @@ def summarize(self, text: str) -> str:
         Tries to create a short and concise summary.
 
         Args:
+        ----
             text: The text to summarize
 
         Returns: