FIX: links in narrative bot messages for subfolder installs

plugins/discourse-narrative-bot/config/locales/server.en.yml

@@ -153,11 +153,11 @@ en:
         message: |-
           Thanks for joining %{title}, and welcome!
 
-          - I’m only a robot, but [our friendly staff](/about) are also here to help if you need to reach a person.
+          - I’m only a robot, but [our friendly staff](%{base_uri}/about) are also here to help if you need to reach a person.
 
-          - For safety reasons, we temporarily limit what new users can do. You’ll gain new abilities (and [badges](/badges)) as we get to know you.
+          - For safety reasons, we temporarily limit what new users can do. You’ll gain new abilities (and [badges](%{base_uri}/badges)) as we get to know you.
 
-          - We believe in [civilized community behavior](/guidelines) at all times.
+          - We believe in [civilized community behavior](%{base_uri}/guidelines) at all times.
 
       onebox:
         instructions: |-
@@ -280,7 +280,7 @@ en:
 
           I guess you know what to do. Go ahead and **flag this post** <img src="%{base_uri}/plugins/discourse-narrative-bot/images/font-awesome-flag.png" width="16" height="16"> as inappropriate!
         reply: |-
-          [Our staff](/groups/staff) will be privately notified about your flag. If enough community members flag a post, it will also be automatically hidden as a precaution. (Since I didn’t actually write a nasty post :angel:, I’ve gone ahead and removed the flag for now.)
+          [Our staff](%{base_uri}/groups/staff) will be privately notified about your flag. If enough community members flag a post, it will also be automatically hidden as a precaution. (Since I didn’t actually write a nasty post :angel:, I’ve gone ahead and removed the flag for now.)
         not_found: |-
           Oh no, my nasty post hasn’t been flagged yet. :worried: Can you flag it as inappropriate using the **flag** <img src="%{base_uri}/plugins/discourse-narrative-bot/images/font-awesome-flag.png" width="16" height="16">? Don’t forget to use the show more button <img src="%{base_uri}/plugins/discourse-narrative-bot/images/font-awesome-ellipsis.png" width="16" height="16"> to reveal more actions for each post.
 
@@ -312,7 +312,7 @@ en:
 
           %{certificate}
 
-          That’s all for now! Check out [**our latest discussion topics**](/latest) or [**discussion categories**](/categories). :sunglasses:
+          That’s all for now! Check out [**our latest discussion topics**](%{base_uri}/latest) or [**discussion categories**](%{base_uri}/categories). :sunglasses:
 
           (If you’d like to speak with me again to learn more, just message or mention `@%{discobot_username}` any time!)
 
@@ -324,7 +324,7 @@ en:
       cert_title: "In recognition of successful completion of the advanced user tutorial"
       title: ':arrow_up: Advanced user features'
       start_message: |-
-        As an _advanced_ user, have you visited [your preferences page](/my/preferences) yet @%{username}? There are lots of ways to customize your experience, such as selecting a dark or light theme.
+        As an _advanced_ user, have you visited [your preferences page](%{base_uri}/my/preferences) yet @%{username}? There are lots of ways to customize your experience, such as selecting a dark or light theme.
 
         But I digress, let’s begin!
 
@@ -394,7 +394,7 @@ en:
         reply: |-
           Awesome work! I hope you didn’t mute this topic since I can be a little talkative at times :grin:.
 
-          Note that when you reply to a topic, or read a topic for more than a few minutes, it is automatically set to a notification level of 'tracking'. You can change this in [your user preferences](/my/preferences).
+          Note that when you reply to a topic, or read a topic for more than a few minutes, it is automatically set to a notification level of 'tracking'. You can change this in [your user preferences](%{base_uri}/my/preferences).
 
       poll:
         instructions: |-