fixed YAML

.circleci/config.yml

 version: 2.0
 jobs:
-  build:
-    docker:
-      - image: circleci/node:10.16-browsers
-    steps:
-    	- checkout
+	build:
+		docker:
+			- image: circleci/node:10.16-browsers
+		steps:
+			- checkout
 
-    	- restore_cache:
-          keys:
-          - v1-dependencies-{{ checksum "package.json" }}
-          - v1-dependencies-
+			- restore_cache:
+					keys:
+					- v1-dependencies-{{ checksum "package.json" }}
+					- v1-dependencies-
 
-    	- run: npm install
+			- run: npm install
 
-    	- save_cache:
-          paths:
-            - node_modules
-          key: v1-dependencies-{{ checksum "package.json" }}
+			- save_cache:
+					paths:
+						- node_modules
+					key: v1-dependencies-{{ checksum "package.json" }}
 
-    	- run: npm test:compat
-      - run: npm test
+			- run: npm test:compat
+			- run: npm test
 
 			- store_test_results:
-			    path: /tmp/test-results
+					path: /tmp/test-results