A Minimal, SQLite-Backed URL Shortener
| Examples:
| 
| 1. Create a short link to https://duckduckgo.com
| 	$ curl -d https://duckduckgo.com https://questionable.site/link
| 	https://questionable.site/link/502fb5543c36014f
| 
| 2. Create a short link with a custom path
|	$ curl -d https://duckduckgo.com https://questionable.site/link/ddg
| 	https://questionable.site/link/ddg
| 
| 3. Deleting a short link
| 	$ TMP=$(mktemp)
| 	$ # temp file will store header
| 	$ LINK=$(curl -sS https://questionable.site/link -d https://duckduckgo.com -D $TMP)
| 	$ # the link has been successfully created
| 	$ DEL=$(cat $TMP | grep -i delete-with | awk '{print$2}'| tr -d '\r')
| 	$ # deletion key is stored in 'X-Delete-With' header.
| 	$ curl $LINK
| 	<a href="https://duckduckgo.com">Permanent Redirect</a>.
| 	$ # the link is working as expected
| 	$ curl $LINK -X DELETE -d $DEL
| 	$ curl $LINK
| 	record not found
| 	$ # the link has been successfully deleted.