feat: add Imgur -> Rimgo replacement support

src/formatters.nim

@@ -13,6 +13,8 @@ let
   twLinkRegex = re"""<a href="https:\/\/twitter.com([^"]+)">twitter\.com(\S+)</a>"""
   xRegex = re"(?<=(?<!\S)https:\/\/|(?<=\s))(www\.|mobile\.)?x\.com"
   xLinkRegex = re"""<a href="https:\/\/x.com([^"]+)">x\.com(\S+)</a>"""
+  imgurRegex = re"(?<=(?<!\S)https:\/\/|(?<=\s))(i\.)?imgur\.com"
+  imgurLinkRegex = re"""<a href="https://(i\.)?imgur.com([^"]+)">(i\.)?imgur\.com(\S+)</a>"""
 
   ytRegex = re(r"([A-z.]+\.)?youtu(be\.com|\.be)", {reStudy, reIgnoreCase})
 
@@ -73,6 +75,10 @@ proc replaceUrls*(body: string; prefs: Prefs; absolute=""): string =
       result = result.replace(twRegex, prefs.replaceTwitter)
       result = result.replacef(twLinkRegex, a(
         prefs.replaceTwitter & "$2", href = https & prefs.replaceTwitter & "$1"))
+    if "imgur.com" in result:
+      result = result.replace(imgurRegex, prefs.replaceImgur)
+      result = result.replacef(imgurLinkRegex, a(
+        prefs.replaceImgur & "$4", href = https & prefs.replaceImgur & "$2"))
 
   if prefs.replaceReddit.len > 0 and ("reddit.com" in result or "redd.it" in result):
     result = result.replace(rdShortRegex, prefs.replaceReddit & "/comments/")

src/prefs_impl.nim

@@ -107,6 +107,10 @@ genPrefs:
       "Reddit -> Teddit/Libreddit"
       placeholder: "Teddit hostname"
 
+    replaceImgur(input, ""):
+      "Imgur -> Rimgo"
+      placeholder: "Rimgo hostname"
+
 iterator allPrefs*(): Pref =
   for k, v in prefList:
     for pref in v: