add CircleCI

Author: nalbam

.circleci/config.yml

@@ -0,0 +1,60 @@
+#
+# CircleCI 2.0
+#
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/node
+    working_directory: ~/works
+    steps:
+      - checkout
+      - run:
+          name: Build
+          command: |
+            mkdir target
+            curl -sLo target/builder toast.sh/builder
+            bash ./target/builder
+      - persist_to_workspace:
+          root: ~/works
+          paths:
+            - .
+  release:
+    docker:
+      - image: circleci/golang
+    working_directory: ~/works
+    steps:
+      - attach_workspace:
+          at: ~/works
+      - run:
+          name: Release
+          command: |
+            bash ./target/builder
+  slack:
+    docker:
+      - image: circleci/python
+    working_directory: ~/works
+    steps:
+      - attach_workspace:
+          at: ~/works
+      - run:
+          name: Slack
+          command: |
+            bash ./target/builder
+
+# Advanced Settings
+# - Build forked pull requests
+# - Pass secrets to builds from forked pull requests
+# - Only build pull requests
+
+workflows:
+  version: 2
+  apply:
+    jobs:
+      - build
+      - release:
+          requires:
+            - build
+      - slack:
+          requires:
+            - release