Add docker

[manmartgarc]

This PR adds a basic Dockerfile that installs all the external requirements such as Tippecanoe and PMTiles.

[github-actions[bot]]

Coverage Report

File	Stmts	Miss	Cover	Missing
/opt/hostedtoolcache/Python/3.9.15/x64/lib/python3.9/site-packages/cloudtile
__init__.py	0	0	100%
converter.py	0	24	0%	2, 11, 14, 24–26, 28–31, 33, 35–39, 41, 43–44, 46–48, 51–52
geofile.py	0	123	0%	2, 12, 14–20, 22, 24, 26, 29–30, 35–37, 39–44, 46–47, 54, 56–57, 65, 69–70, 74, 78, 80–81, 91–96, 99–100, 105–107, 115–119, 122–123, 128–129, 131–132, 139, 141–146, 148–149, 156, 158–163, 165, 173–174, 176–178, 180, 183–185, 195–198, 200, 208–210, 213, 215–216, 224–225, 227–231, 233–234, 245–248, 250–251, 254–255, 260–261, 264, 270–274, 277–278, 283–284
s3.py	0	15	84%	68–69, 71, 74, 76–78, 81, 83, 89, 96–98, 100, 127
TOTAL	241	162	32%

Tests	Skipped	Failures	Errors	Time
16	0 :zzz:	0 :x:	0 :fire:	3.524s :stopwatch: