Add GitHub sponsor button

docs/_data/expo.json

@@ -1,5 +1,10 @@
 {
   "by_id": {
+    "sinuous": {
+      "name": "Sinuous",
+      "url": "https://sinuous.netlify.com/",
+      "date": "21 Sep 2019"
+    },
     "divjoy": {
       "name": "Divjoy",
       "url": "https://divjoy.com/",
@@ -50,7 +55,6 @@
     },
     "mynameismirko2018": {
       "name": "mynameismirko",
-      "highlighted": true,
       "url": "http://2018.mynameismirko.it/",
       "date": "26 Jan 2019"
     },
@@ -347,6 +351,7 @@
       "bulmaplay",
       "filegator",
       "counternetwork",
+      "sinuous",
       "agilox",
       "pingstack",
       "mynameismirko2018",