Add .circleci/config.yml

.circleci/config.yml

@@ -1,11 +1,11 @@
 version: 2.1
 jobs:
   build:
-    docker: 
+    docker:
       - image: cimg/node:14.10.1 # the primary container, where your job's commands are run
         auth:
           username: mydockerhub-user
           password: $DOCKERHUB_PASSWORD  # context / project UI env-var reference
     steps:
       - checkout # check out the code in the project directory
-      - run: echo "hello world" # run the `echo` command
+      - run: echo "hello world" # run the `echo` command