Add Untappd

Untappd is behind Cloudflare, but this doesn't seem to impact early requests. After being ratelimited, #2069 will suppress any possible WAF-induced false positives.
Closes #1780

sherlock/resources/data.json

@@ -2106,6 +2106,12 @@
     "urlMain": "https://unsplash.com/",
     "username_claimed": "jenny"
   },
+  "Untappd": {
+    "errorType": "status_code",
+    "url": "https://untappd.com/user/{}",
+    "urlMain": "https://untappd.com/",
+    "username_claimed": "untappd"
+  },
   "VK": {
     "errorType": "response_url",
     "errorUrl": "https://www.quora.com/profile/{}",

sites.md

@@ -1,4 +1,4 @@
-## List Of Supported Sites (404 Sites In Total!)
+## List Of Supported Sites (405 Sites In Total!)
 1. ![](https://www.google.com/s2/favicons?domain=https://www.1337x.to/) [1337x](https://www.1337x.to/) 
 1. ![](https://www.google.com/s2/favicons?domain=https://2Dimensions.com/) [2Dimensions](https://2Dimensions.com/) 
 1. ![](https://www.google.com/s2/favicons?domain=http://forum.3dnews.ru/) [3dnews](http://forum.3dnews.ru/) 
@@ -308,6 +308,7 @@
 1. ![](https://www.google.com/s2/favicons?domain=https://typeracer.com) [Typeracer](https://typeracer.com) 
 1. ![](https://www.google.com/s2/favicons?domain=https://ultimate-guitar.com/) [Ultimate-Guitar](https://ultimate-guitar.com/) 
 1. ![](https://www.google.com/s2/favicons?domain=https://unsplash.com/) [Unsplash](https://unsplash.com/) 
+1. ![](https://www.google.com/s2/favicons?domain=https://untappd.com/) [Untappd](https://untappd.com/) 
 1. ![](https://www.google.com/s2/favicons?domain=https://vk.com/) [VK](https://vk.com/) 
 1. ![](https://www.google.com/s2/favicons?domain=https://vsco.co/) [VSCO](https://vsco.co/) 
 1. ![](https://www.google.com/s2/favicons?domain=https://forum.velomania.ru/) [Velomania](https://forum.velomania.ru/)