Add path tiling utils

Add PathTilingGenerator class, used to generate tiles along the path.
PathTilingGenerator is designed as a generator to enable long route
traversal without keeping the list of tile keys.
To map the geo line to tile keys, a Bresenham algorith is used.

Relates-To: OCMAM-461

Signed-off-by: Mykhailo Kuchma <[email protected]>

Author: mykhailo-kuchma