fix: migrate Flan'sMod to CurseForge

Author: Pyker

docs/mod_polling/parsers.md

@@ -248,8 +248,8 @@ Scrapes a web page and extracts versions using regex.
 {
     "parser": "html",
     "html": {
-        "url": "https://flansmod.com/download",
-        "regex": "(?P<version>[0-9]+(?:\\.[0-9]+)+) for(?: MC)? (?P<mc>[0-9]+(\\.[0-9]+)+)"
+        "url": "https://example.com/downloads",
+        "regex": "Mod (?P<version>[0-9]+(?:\\.[0-9]+)+) for MC (?P<mc>[0-9]+(?:\\.[0-9]+)+)"
     }
 }
 ```

mod_polling/mods.json

@@ -983,11 +983,11 @@
         }
     },
     "Flan'sMod": {
-        "parser": "html",
+        "parser": "cfwidget",
         "active": true,
-        "html": {
-            "url": "https://flansmod.com/download",
-            "regex": "(?P<version>[0-9]+(?:\\.[0-9]+)+) for(?: MC)? (?P<mc>[0-9]+(\\.[0-9]+)+)"
+        "curse": {
+            "id": "317310",
+            "regex": "Flan(?:'s Mod|\\.s\\.Mod)-[0-9]+(?:\\.[0-9]+)+-(?P<version>[0-9]+(?:\\.[0-9]+)+(?:-[a-z]+(?:\\.[0-9]+)?)?)(?:-all)?\\.jar"
         }
     },
     "LagGoggles": {