Add TikTok icon (#1376)

* Update simple-icons.json

* Add files via upload

* Update simple-icons.json

fixed missing `,`

* Update tiktok.svg

Removed Extra space

* Remove final newline from TikTok icon

---

Closes #1375

_data/simple-icons.json

@@ -2725,6 +2725,11 @@
             "hex": "000000",
             "source": "https://tidal.com"
         },
+        {
+            "title": "Tik Tok",
+            "hex": "000000",
+            "source": "https://tiktok.com"
+        },
         {
             "title": "Tinder",
             "hex": "FF6B6B",

icons/tiktok.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Tik Tok icon</title><path d="M12.53.02C13.84 0 15.14.01 16.44 0c.08 1.53.63 3.09 1.75 4.17 1.12 1.11 2.7 1.62 4.24 1.79v4.03c-1.44-.05-2.89-.35-4.2-.97-.57-.26-1.1-.59-1.62-.93-.01 2.92.01 5.84-.02 8.75-.08 1.4-.54 2.79-1.35 3.94-1.31 1.92-3.58 3.17-5.91 3.21-1.43.08-2.86-.31-4.08-1.03-2.02-1.19-3.44-3.37-3.65-5.71-.02-.5-.03-1-.01-1.49.18-1.9 1.12-3.72 2.58-4.96 1.66-1.44 3.98-2.13 6.15-1.72.02 1.48-.04 2.96-.04 4.44-.99-.32-2.15-.23-3.02.37-.63.41-1.11 1.04-1.36 1.75-.21.51-.15 1.07-.14 1.61.24 1.64 1.82 3.02 3.5 2.87 1.12-.01 2.19-.66 2.77-1.61.19-.33.4-.67.41-1.06.1-1.79.06-3.57.07-5.36.01-4.03-.01-8.05.02-12.07z"/></svg>