add circle config

Author: jescalan

.circleci/config.yml

@@ -0,0 +1,41 @@
+version: 2.1
+orbs:
+  win: circleci/[email protected]
+jobs:
+  linux:
+    working_directory: ~/repo
+    docker:
+      - image: circleci/node:latest
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            - v1-dependencies-
+      - run: npm install
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+      - run: npm test
+  windows:
+    executor: win/vs2019
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            - v1-dependencies-
+      - run: npm install
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+      - run: npm test
+workflows:
+  version: 2
+  build:
+    jobs:
+      - linux
+      - windows