Updated Notify_telegram (markdown)

Notify_telegram.md

@@ -68,6 +68,7 @@ If you want to see the icon/image associated with the notification, you can have
 | format      | No       | The default value of this is _text_.  But if you plan on managing the format yourself, you can optionally set this to _markdown_ or _html_ as well.
 | silent      | No       | A `yes/no` flag allowing you to send the notification in a silent fashion. By default this is set to `no`.
 | preview     | No       | A `yes/no` flag allowing you to display webpage previews of your post.  By default this is set to `no`.
+| mdv     | No       | Optionally set the `markdown` version to use; can be set to either `v1` or `v2` and defaults to `v2` if not set.   This value is only referenced when `?format=markdown` has also been set.
 | topic   | No      | The Topic Thread ID you wish your message to be posted to. [Here is a StackOverflow post on acquiring the Topic Thread ID](https://stackoverflow.com/questions/74773675/how-to-get-topic-id-for-telegram-group-chat)
 
 #### Example
@@ -79,6 +80,15 @@ apprise -vv -t "Test Message Title" -b "Test Message Body" \
    tgram://123456789:abcdefg_hijklmnop/12315544/
 ```
 
+Want to use the Telegram Markdown features; do this instead:
+```bash
+# Assuming our {bot_token} is 123456789:abcdefg_hijklmnop
+# Assuming the {chat_id} belonging to lead2gold is 12315544
+# We enforce the output format to be markown in this example
+apprise -vv -t "Test Message Title" -b "Test Message Body" \
+   tgram://123456789:abcdefg_hijklmnop/12315544/?format=markdown
+```
+
 Got a specific topic you want to notify?
 ```bash
 # Assuming our {bot_token} is 123456789:abcdefg_hijklmnop