add yarn install

.circleci/config.yml

@@ -1,14 +1,15 @@
-# Use the latest 2.1 version of CircleCI pipeline process engine. See: https://circleci.com/docs/2.0/configuration-reference
 version: 2.1
-# Use a package of configuration called an orb.
-orbs:
-  # Declare a dependency on the welcome-orb
-  welcome: circleci/welcome-orb@0.4.1
-# Orchestrate or schedule a set of jobs
-workflows:
-  # Name the workflow "welcome"
-  welcome:
-    # Run the welcome/run job in its own container
-    jobs:
-      - welcome/run
-
+# Define the jobs we want to run for this project
+jobs:
+  build:
+    docker:
+      - image: cimg/node:14.10.1
+    steps:
+      - checkout
+      - restore_cache:
+          key: npm-v1-dependencies-{{ checksum "yarn.lock" }}
+      - run: yarn global add node-gyp && yarn install
+      - save_cache:
+          key: npm-v1-dependencies-{{ checksum "yarn.lock" }}
+          paths:
+            - ./node_modules