migrating from npm to yarn (#305)

* migrating from npm to yarn

* added Typescript

* updated azure-pipeliens.yml

* style:  deletes run in scripts

azure-pipelines.yml

@@ -16,17 +16,17 @@ steps:
   displayName: 'Install Node.js'
 
 - script: |
-    npm install
-    npm run tslint
+    yarn install
+    yarn tslint
     if [ $? -ne 0 ]; then
         exit 1
     fi
-    npm run compile 
+    yarn compile
     if [ $? -ne 0 ]; then
         exit 1
     fi
-    npm run build
+    yarn build
     if [ $? -ne 0 ]; then
         exit 1
     fi
-  displayName: 'npm install and build'
+  displayName: 'yarn install and build'

package.json

@@ -107,7 +107,7 @@
         "redux-mock-store": "^1.5.4",
         "ts-loader": "^7.0.1",
         "tslint": "^6.1.1",
-        "typescript": "^3.8.3",
+        "typescript": "^3.9.5",
         "webpack-cli": "^3.3.11",
         "webpack-merge": "^4.2.2"
     },