nginx samples sites for multiple projects

- add `project-1.conf` and `project-1.conf` to match the docs.
- keep default to work with both multiple and single projects.
- delete the .gitignore.
- update docker-compose and example-env file to match the new settings
- update the docs
- delete `laravel-https.conf` to replace it with documentation instead

nginx/sites/default.conf

@@ -3,7 +3,7 @@ server {
     listen 80 default_server;
     listen [::]:80 default_server ipv6only=on;
 
-    server_name laradock;
+    server_name locahost;
     root /var/www/public;
     index index.php index.html index.htm;