chore: add semantic-release

Author: egoist

circle.yml

@@ -22,3 +22,6 @@ jobs:
       - run:
           name: test
           command: yarn test
+      - run:
+          name: release
+          command: yarn semantic-release

package.json

@@ -42,6 +42,7 @@
     "poi": "^12.2.14",
     "polished": "^2.3.1",
     "prettier": "^1.15.2",
+    "semantic-release": "^15.13.3",
     "vue": "^2.5.21",
     "xo": "^0.23.0"
   },
@@ -79,5 +80,8 @@
       "prettier --write",
       "git add"
     ]
+  },
+  "release": {
+    "branch": "master"
   }
 }