Mining things (#21909)

* mining-doors

* mining-tiles

* mining-window

* Change copyright in meta.json

* Change license in attributions.yml

Resources/Locale/en-US/tiles/tiles.ftl

@@ -44,6 +44,9 @@ tiles-elevator-shaft = elevator shaft
 tiles-diamond-plate-floor = diamond plate floor
 tiles-rock-floor = rock floor
 tiles-blue-tile = blue tile
+tiles-mining-tile = mining tile
+tiles-mining-dark-tile = dark mining tile
+tiles-mining-light-tile = light mining tile
 tiles-freezer = freezer
 tiles-showroom-floor = showroom floor
 tiles-hydro-floor = hydro floor