Provide a respond function

Closes https://git.autonomic.zone/decentral1se/xbotlib/issues/34.

CHANGELOG.md

@@ -3,6 +3,7 @@
 # xbotlib 0.13.1 (2021-01-19)
 
 - Document `Bot` attributes/functions ([#35](https://git.autonomic.zone/decentral1se/xbotlib/issues/35))
+- Provide a `Bot.respond` function ([#34](https://git.autonomic.zone/decentral1se/xbotlib/issues/34))
 
 # xbotlib 0.13.0 (2021-01-18)
 

README.md

@@ -134,6 +134,15 @@ Arguments:
 - **to**: the user to send the reply to
 - **room**: the room to send the reply to
 
+> Bot.respond(response, content_type="text/html")
+
+Return a response via the web server.
+
+Arguments:
+
+- **response**: the text of the response
+- **content_type**: the type of response
+
 Other useful attributes on the `Bot` class are:
 
 - **self.db**: The [Redis database](#redis-key-value-storage) if you're using it
@@ -318,12 +327,11 @@ Here's a small example that renders a random ASCII letter.
 
 ```python
 from string import ascii_letters
-from xbotlib import Response
 
 def serve(self, request):
     letter = choice(ascii_letters)
     rendered = self.template.render(letter=letter)
-    return Response(body=rendered, content_type="text/html")
+    return self.respond(body=rendered)
 ```
 
 If you want to pass data from your `direct`/`group` functions to the `serve`

xbotlib.py

@@ -626,3 +626,7 @@ class Bot(ClientXMPP):
                 return self.reply(cleandoc(self.help), **kwargs)
             except AttributeError:
                 return self.reply("No help found 🤔️", **kwargs)
+
+    def respond(self, response, content_type="text/html"):
+        """Send this response back with the web server."""
+        return Response(response, content_type=content_type)