adding git files & delete vendor folder

.gitattributes

+* text=auto
+
+*.blade.php diff=html
+*.css diff=css
+*.html diff=html
+*.md diff=markdown
+*.php diff=php
+
+/.github export-ignore
+CHANGELOG.md export-ignore
+.styleci.yml export-ignore

.gitignore

+/node_modules
+/public/build
+/public/hot
+/public/storage
+/storage/*.key
+/vendor
+.env.backup
+.phpunit.result.cache
+Homestead.json
+Homestead.yaml
+auth.json
+npm-debug.log
+yarn-error.log
+/.idea
+/.vscode