[imagepond] support '/i/' URLs, update root domain

docs/supportedsites.md

@@ -1365,7 +1365,7 @@ Consider all listed sites to potentially be NSFW.
 </tr>
 <tr id="imagepond" title="imagepond">
     <td>ImagePond</td>
-    <td>https://imagepond.net/</td>
+    <td>https://www.imagepond.net/</td>
     <td>Albums, Categories, Files, User Profiles</td>
     <td></td>
 </tr>

gallery_dl/extractor/chevereto.py

@@ -88,7 +88,7 @@ BASE_PATTERN = CheveretoExtractor.update({
         "pattern": r"(?:www\.)?jpe?g\d?\.(?:cr|su|pet|fish(?:ing)?|church)",
     },
     "imagepond": {
-        "root": "https://imagepond.net",
+        "root": "https://www.imagepond.net",
         "pattern": r"(?:www\.)?imagepond\.net",
     },
     "imglike": {
@@ -101,7 +101,7 @@ BASE_PATTERN = CheveretoExtractor.update({
 class CheveretoFileExtractor(CheveretoExtractor):
     """Extractor for chevereto files"""
     subcategory = "file"
-    pattern = BASE_PATTERN + r"(/(?:im(?:g|age)|video)/[^/?#]+)"
+    pattern = BASE_PATTERN + r"(/(?:im(?:g|age)|video|i)/[^/?#]+)"
     example = "https://jpg7.cr/img/TITLE.ID"
 
     def items(self):
@@ -232,5 +232,6 @@ class CheveretoUserExtractor(CheveretoExtractor):
         data_file = {"_extractor": CheveretoFileExtractor}
         data_album = {"_extractor": CheveretoAlbumExtractor}
         for url in self._pagination(self.root + self.path):
-            data = data_album if "/album/" in url else data_file
+            data = (data_album if "/album/" in url or "/a/" in url else
+                    data_file)
             yield Message.Queue, url, data

test/results/imagepond.py

@@ -55,6 +55,12 @@ __tests__ = (
     "width"    : 720,
 },
 
+{
+    "#url"     : "https://www.imagepond.net/i/chv_317512",
+    "#category": ("chevereto", "imagepond", "file"),
+    "#class"   : chevereto.CheveretoFileExtractor,
+},
+
 {
     "#url"     : "https://imagepond.net/album/CDilP/?sort=date_desc&page=1",
     "#category": ("chevereto", "imagepond", "album"),