build: semantic release setup & docs

.travis.yml

@@ -72,7 +72,7 @@ jobs:
       deploy:
         provider: surge
         project: ./esdoc/
-        domain: docs.sequelizejs.com
+        domain: v4.sequelizejs.com
         skip_cleanup: true
         on: v4
 

package.json

@@ -159,8 +159,5 @@
       "@semantic-release/npm",
       "@semantic-release/github"
     ]
-  },
-  "publishConfig": {
-    "tag": "latest"
   }
 }