Added app dependencies. Ignore compose.phar file and vendor/ folder.
Setup initial app folder structure.  Included Twig-Bridge dependency to composer.json.
Added src/ folder to store own code.  Moved controller code from public index.php to src/app.php.  Added cache folder for twig templates.
Defined template file structure.
Started assets folder structure.
Added Symfony Form and Translation bundles.  Added custom style.  Separate form in a new template file.