chore: update prettier config

Author: nakrovati

Diff for: .prettierignore

@@ -12,6 +12,7 @@ output/
 
 # Webdriver-ts
 webdriver-ts/results.json
+webdriver-ts/unittests/
 webdriver-ts/traces/
 
 # Webdriver-ts-results

Diff for: .prettierrc.json

@@ -1,3 +1,16 @@
 {
-  "trailingComma": "es5"
+  "printWidth": 100,
+  "tabWidth": 2,
+  "useTabs": false,
+  "semi": true,
+  "singleQuote": false,
+  "quoteProps": "as-needed",
+  "jsxSingleQuote": false,
+  "trailingComma": "es5",
+  "bracketSpacing": true,
+  "bracketSameLine": false,
+  "arrowParens": "always",
+  "proseWrap": "preserve",
+  "endOfLine": "lf",
+  "singleAttributePerLine": false
 }