Package serve on DUB

To use this package, run the following command in your project's root directory:

serve

A simple HTTP server for static files.

You can simply use dub to run the tool.

dub fetch serve
dub run serve
dub run serve -- [ARGS]

Or you build the tool and copy/symlink it into your path.

dub fetch serve
dub build serve
sudo mv ~/.dub/packages/serve-1.0.0/serve /usr/local/bin/

serve the current working directory
```
serve
```
serve an html file with it's containing folder and open it in your browser
```
serve path/to/index.html
```
serve a folder
```
serve path/to/folder
```
use a different port than 8080 (-p|--port)
```
serve -p 1234
```
bind a different IP address than 127.0.0.1 using (-b|--bind)
```
serve -b 127.0.0.1
```
run -h|--help to see all options
```
serve -h
```