Updated prettier script so it works in Azure DevOps CI (#182)

* changed end of line to AUTO
* updated prettier script in package.json

Author: vandyliu

.prettierrc.yaml

@@ -1,5 +1,5 @@
 trailingComma: "es5"
 tabWidth: 4
 semi: true
-endOfLine: lf
+endOfLine: auto
 printWidth: 80

package.json

@@ -284,10 +284,10 @@
     "lint:ts": "tslint -c tslint.json src/**/*.{ts,tsx}",
     "lint:python": "pylint src",
     "format": "npm-run-all format:*",
-    "format:ts": "prettier --write src/**/*.{css,ts,tsx}",
+    "format:ts": "prettier --config .prettierrc.yaml --write src/**/*.{css,ts,tsx}",
     "format:python": "black src",
     "check": "npm-run-all check:*",
-    "check:ts": "prettier --check src/**/*.{css,ts,tsx}",
+    "check:ts": "prettier --config .prettierrc.yaml --check src/**/*.{css,ts,tsx}",
     "check:python": "black src --check",
     "package": "vsce package"
   },