chore: upgrade to circleci 2.0 (#133)

* chore: upgrade to circleci 2.0

* fix: typo in config file name

* refact: move test in same job

Author: znck

.circleci/config.yml

@@ -0,0 +1,26 @@
+version: 2
+jobs:
+  build:
+    working_directory: ~/rollup-plugin-vue
+    docker:
+      - image: circleci/node:8.5.0
+    steps:
+      - checkout
+      - run: 
+          name: Install yarn
+          command: curl -o- -s -L https://yarnpkg.com/install.sh | bash
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run:
+          name: Install package dependencies
+          command: yarn --no-progress
+      - run:
+          name: Rebuild node-sass
+          command: npm rebuild node-sass
+      - save_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - node_modules
+      - run:
+          name: Test
+          command: npm test