add prettier config

typescript/.prettierrc.js

+// Use CommonJS to enable extending this config, and using comments
+module.exports = {
+  singleQuote: true, // Prefer ' to "
+  semi: true, // Always terminate lines with semicolons
+  tabWidth: 2, // Use 2 spaces for indentation
+  quoteProps: 'consistent',
+  bracketSpacing: true, // {*bracketSpacing*}
+  arrowParens: 'always', // (always perentheses around arrow args) => {}
+  printWidth: 100, // Max 100 characters per line
+  trailingComma: 'es5', // Use trailing commas where valid in ES5 (objects, arrays, etc.)
+};

typescript/src/index.ts

-import { func } from "./lib";
+import { func } from './lib';
 
-func("This is a message");
+func('This is a message');

typescript/src/lib.ts

@@ -2,3 +2,6 @@
 export const func = (message: string) => {
   console.log(message);
 };
+
+// TODO : normalement ici on aura des erreurs
+const test = (arg: any) => {};