CircleCI build/deploy (#4)

* Add CircleCI build and deploy config
* rename to @stellar/elements

.circleci/config.yml

@@ -0,0 +1,74 @@
+# Javascript Node CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-javascript/ for more details
+#
+version: 2
+
+defaults: &defaults
+  docker:
+    # specify the version you desire here
+    - image: circleci/node:lts
+
+    # Specify service dependencies here if necessary
+    # CircleCI maintains a library of pre-built images
+    # documented at https://circleci.com/docs/2.0/circleci-images/
+    # - image: circleci/mongo:3.4.4
+
+  working_directory: ~/repo
+
+jobs:
+  build:
+    <<: *defaults
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            # fallback to using the latest cache if no exact match is found
+            - v1-dependencies-
+
+      - run: yarn install
+
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+
+      # build
+      - run: yarn build
+
+      - persist_to_workspace:
+          root: ~/repo
+          paths: .
+
+  deploy:
+    <<: *defaults
+    steps:
+      - attach_workspace:
+          at: ~/repo
+      - run:
+          name: Authenticate with registry
+          command:
+            echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" > ~/repo/.npmrc
+      - run:
+          name: Publish package
+          command: npm publish --access public
+
+workflows:
+  version: 2
+  test-deploy:
+    jobs:
+      - build:
+          filters:
+            tags:
+              only: /^v.*/
+      - deploy:
+          requires:
+            - build
+          filters:
+            tags:
+              only: /^v.*/
+            branches:
+              ignore: /.*/

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "js-stellar-elements",
+  "name": "@stellar/elements",
   "version": "0.0.0",
   "description": "Styled elements for use on Stellar projects",
   "main": "dist/index.js",