Add extra fonts to Docker Image

[justb4]

Make the following fonts available to Mapnik:

• Lato
• Roboto slab
• Roboto condensed
• Mukta

[justb4]

Most can be installed as package apt-get install fonts-lato fonts-roboto fonts-roboto-slab. Only Mukta needs manual install.

[justb4]

These are now the fonts avail to Mapnik. List with: docker exec -it mapproxy python3 -c "from mapnik import FontEngine as e;print('\n'.join(e.face_names()))"

DejaVu Math TeX Gyre Regular
DejaVu Sans Bold
DejaVu Sans Bold Oblique
DejaVu Sans Book
DejaVu Sans Condensed
DejaVu Sans Condensed Bold
DejaVu Sans Condensed Bold Oblique
DejaVu Sans Condensed Oblique
DejaVu Sans ExtraLight
DejaVu Sans Mono Bold
DejaVu Sans Mono Bold Oblique
DejaVu Sans Mono Book
DejaVu Sans Mono Oblique
DejaVu Sans Oblique
DejaVu Serif Bold
DejaVu Serif Bold Italic
DejaVu Serif Book
DejaVu Serif Condensed
DejaVu Serif Condensed Bold
DejaVu Serif Condensed Bold Italic
DejaVu Serif Condensed Italic
DejaVu Serif Italic
Lato Black
Lato Black Italic
Lato Bold
Lato Bold Italic
Lato Hairline
Lato Hairline Italic
Lato Heavy
Lato Heavy Italic
Lato Italic
Lato Light
Lato Light Italic
Lato Medium
Lato Medium Italic
Lato Regular
Lato Semibold
Lato Semibold Italic
Lato Thin
Lato Thin Italic
Mukta Bold
Mukta ExtraLight
Mukta Extrabold
Mukta Light
Mukta Mahee Bold
Mukta Mahee ExtraBold
Mukta Mahee ExtraLight
Mukta Mahee Light
Mukta Mahee Medium
Mukta Mahee Regular
Mukta Mahee SemiBold
Mukta Malar Bold
Mukta Malar ExtraBold
Mukta Malar ExtraLight
Mukta Malar Light
Mukta Malar Medium
Mukta Malar Regular
Mukta Malar SemiBold
Mukta Medium
Mukta Regular
Mukta SemiBold
Mukta Vaani Bold
Mukta Vaani ExtraBold
Mukta Vaani ExtraLight
Mukta Vaani Light
Mukta Vaani Medium
Mukta Vaani Regular
Mukta Vaani SemiBold
Roboto Black
Roboto Black Italic
Roboto Bold
Roboto Bold Italic
Roboto Condensed Bold
Roboto Condensed Bold Italic
Roboto Condensed Italic
Roboto Condensed Light
Roboto Condensed Light Italic
Roboto Condensed Medium
Roboto Condensed Medium Italic
Roboto Condensed Regular
Roboto Italic
Roboto Light
Roboto Light Italic
Roboto Medium
Roboto Medium Italic
Roboto Regular
Roboto Slab Bold
Roboto Slab Light
Roboto Slab Regular
Roboto Slab Thin
Roboto Thin
Roboto Thin Italic

[justb4]

done