Adds Vendor Folder

Signed-off-by: Justin Yost <justin.yost@yostivanich.com>
Ignore everything else in the vendor folder

Signed-off-by: Justin Yost <justin.yost@yostivanich.com>
Composer File with All Depencies Included

References #12

Signed-off-by: Justin Yost <justin.yost@yostivanich.com>
Composer Lock File Included

References #12

Signed-off-by: Justin Yost <justin.yost@yostivanich.com>
Deletes PHPMailer not that it is provided via Composer

Closes #12

Signed-off-by: Justin Yost <justin.yost@yostivanich.com>