feat(config.yml): Install step

I installed the dependencies(Yarn)

.circleci/config.yml

@@ -9,5 +9,19 @@ jobs:
     docker: 
       - image: cimg/node:14.10.1 # the primary container, where your job's commands are run
     steps:
-      - checkout # check out the code in the project directory
-      - run: echo "hello world" # run the `echo` command
+        - checkout
+        - run:
+            name: Install dependencies
+            command: yarn global add node-gyp && yarn install
+        - restore_cache:
+            name: Restore Yarn Package Cache
+            keys:
+                - npm-v1-dependencies-{{ checksum "yarn.lock" }}
+        - run:
+            name: Install Dependencies
+            command: yarn install --immutable
+        - save_cache:
+            name: Save Yarn Package Cache
+            key: npm-v1-dependencies-{{ checksum "yarn.lock" }}
+            paths:
+                - ~/.cache/yarn