ADDED: Picarto.TV (#776)

* Add Picarto.TV icon and json

The color is taken from the press page's PNG files.

* Fix JSON indentation

_data/simple-icons.json

@@ -1240,6 +1240,11 @@
             "hex": "777BB4",
             "source": "http://php.net/download-logos.php"
         },
+        {
+            "title": "Picarto.TV",
+            "hex": "3B4F63",
+            "source": "https://picarto.tv/site/press"
+        },
         {
             "title": "Pinboard",
             "hex": "0000FF",

icons/picartotv.svg

@@ -0,0 +1 @@
+<svg aria-labelledby="simpleicons-picartotv-icon" role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title id="simpleicons-picartotv-icon">Picarto.TV icon</title><path d="M12 0C5.373 0 0 5.373 0 12s5.373 12 12 12c6.628 0 12-5.373 12-12S18.628 0 12 0zM7.08 4.182h2.781c.233 0 .42.21.42.47v14.696c0 .26-.187.47-.42.47h-2.78c-.233 0-.42-.21-.42-.47V4.652c0-.26.187-.47.42-.47zm4.664 0a.624.624 0 0 1 .326.091c.355.209 7.451 4.42 8.057 4.78a.604.604 0 0 1 0 1.039c-.436.264-7.558 4.495-8.074 4.789a.577.577 0 0 1-.873-.512v-1.812c0-1.712 2.962-2.201 3.398-2.465a.604.604 0 0 0 0-1.04c-.605-.36-3.398-.746-3.398-2.452V4.79c0-.334.251-.605.564-.61z"/></svg>