Monorepo structure, remove Gulp, new build process (#2116)

preview/pages/_data/social-tiles.json

@@ -0,0 +1,50 @@
+[
+  {
+    "icon": "dribbble",
+    "title": "328 likes",
+    "description": "45 today",
+    "trending": 8
+  },
+  {
+    "icon": "facebook",
+    "title": "542 shares",
+    "description": "67 today",
+    "trending": 0
+  },
+  {
+    "icon": "instagram",
+    "title": "894 followers",
+    "description": "120 today",
+    "trending": 10
+  },
+  {
+    "icon": "x",
+    "title": "221 retweets",
+    "description": "34 today",
+    "trending": -2
+  },
+  {
+    "icon": "youtube",
+    "title": "765 views",
+    "description": "98 today",
+    "trending": 0
+  },
+  {
+    "icon": "pinterest",
+    "title": "432 pins",
+    "description": "53 today",
+    "trending": -4
+  },
+  {
+    "icon": "tiktok",
+    "title": "612 likes",
+    "description": "76 today",
+    "trending": 9
+  },
+  {
+    "icon": "linkedin",
+    "title": "305 connections",
+    "description": "29 today",
+    "trending": -1
+  }
+]