Add regex for finding image links

jarvis/cogs/reddit.py

@@ -30,6 +30,7 @@ from jarvis.utils.permissions import admin_or_permissions
 
 DEFAULT_USER_AGENT = f"python:JARVIS:{const.__version__} (by u/zevaryx)"
 sub_name = re.compile(r"\A[A-Za-z0-9][A-Za-z0-9_]{2,20}\Z")
+image_link = re.compile(r"(.*preview\.redd\.it\/)(.*\..*)\?")
 
 
 class RedditCog(Extension):
@@ -89,6 +90,7 @@ class RedditCog(Extension):
                 if post.spoiler:
                     content += "||"
         content += f"\n\n[View this post]({url})"
+        content = image_link.sub(content, "https://i.redd.it/\2")
 
         if not images and not content:
             self.logger.debug(f"Post {post.id} had neither content nor images?")