game: display size is set in Renderer

In future maybe we could change display size on-the-fly... Not in the near future tho

Signed-off-by: mkhropov <mkhropov@gmail.com>
biomes: rewritten for JSON and broken

It works, but works weird. Some things are not yet coded, and some work not as intended. Still a step forward, if you didn't like that fancy earthy hills anyway.

Signed-off-by: mkhropov <mkhropov@gmail.com>