ci: add CircleCI config

.circleci/config.yml

@@ -0,0 +1,38 @@
+version: 2.1
+orbs:
+  node: circleci/node@5.0.2
+alias:
+  - &defaults
+    docker:
+      - image: cimg/node:lts
+    executor: node/default
+jobs:
+  branch-job:
+    <<: *defaults
+    steps:
+      - checkout
+      - node/install-packages
+      - run: npm test
+  main-job:
+    <<: *defaults
+    steps:
+      - checkout
+      - node/install-packages
+      - run: npm test
+      - run: semantic-release
+workflows:
+  version: 2
+  branch-workflow:
+    jobs:
+      - branch-job:
+          filters:
+            branches:
+              ignore:
+                - main
+  main-workflow:
+    jobs:
+      - main-job:
+          filters:
+            branches:
+              only:
+                - main

.editorconfig

@@ -10,5 +10,9 @@ trim_trailing_whitespace = true
 [*.{js,json}]
 indent_style = space
 
+[*.{yml,yaml}]
+indent_size = 2
+indent_style = space
+
 [{package.json,package-lock.json}]
 indent_size = 2

.gitattributes

@@ -10,6 +10,7 @@
 *.js text eol=lf
 *.json text eol=lf
 *.md text eol=lf
+*.yml text eol=lf
 
 # Prefer LF for these files
 .editorconfig text eol=lf