Status Page

Have a page that displays the current status provided by the GpsApi:

• Lat
• Lng
• Alt
• Heading
• Speed

Maybe also display:

• the total traveled distance in this "track"
• the average speed
• the top speed

See: #7

There's some page that demos how to use the GpsApi to get this data, but it needs to be integrated to the "index.html".