Update map formatting, remove broken maps

What's Changed

• Add super-linter for push and PRs in #13
• Fix and standardize map filenames and tags & remove broken maps in #26
• Removed broken maps

New Contributors

Full Changelog: v1.1.6...v1.2.0

Release v1.1.6

Change Log v1.1.6

• Merged pull request to add Google Maps No POI from @thomric2
• Merged pull request to add MML Topographic Map from @MasterPuffin

Thank you for the pull request.

Release v1.1.2

Release v1.1.2

Thanks for the contributions from Sief6, sniporbob, & lennisthemenace !

• Added USGSShadedRelief (Sief6)

• Added the ESRI USA Topo Maps (nearly the same as the NRL DRG, but slightly different) as well as the USDA FSTopo map. (Sniperbob)

• Add map sources as GRG overlays (lennisthemenace)

• Added sources from civtak.org for Google and Bing (lennisthemenace)

Release v1.0.0

Initial release v1.0.0

Renamed the project for clarity.

Included maps are:

• Chartbundle aviation maps
• ESRI
• Michelin
• Openstreetmaps
• OpenTopoMaps
• Stamen
• USGS

This map bundle can be directly imported into ATAK