Adds Checkerboard Tiles, External Hull Plating, Hardened Reinforced Floors, & Monotile Dirty Decal (#18676)

* adds checkered floor tiles, hull tiles, and steel monotile decal

* adds checker floors, hull floors, and dirty steel monotile decal

* adds hardened reinf tiles

Resources/Textures/Tiles/attributions.yml

@@ -15,6 +15,11 @@
   license: "CC-BY-SA-3.0"
   copyright: "tgstation commit 8abb19545828230d92ba18827feeb42a67a55d49, cropped_parallax modified from parallax."
   source: "https://github.com/tgstation/tgstation/"
+
+- files: ["super_reinforced.png"]
+  license: "CC-BY-SA-3.0"
+  copyright: "Modified from reinforced.png by github user @Flareguy"
+  source: "https://github.com/space-wizards/space-station-14/pull/18676"
   
 - files: ["rglass.png"]
   license: "CC-BY-SA-3.0"
@@ -26,7 +31,7 @@
   copyright: "Created by github user @notquitehadouken."
   source: "https://github.com/space-wizards/space-station-14/pull/17948"
 
-- files: [ "bar.png", "blue.png", "kitchen.png", "laundry.png", "mime.png", "steel.png", "steel_dirty.png", "steel_diagonal.png", "steel_mini.png", "steel_offset.png", "steel_pavement.png", "white.png", "white_diagonal.png", "white_mini.png", "white_offset.png", "white_pavement.png", "dark.png", "dark_diagonal.png", "dark_mini.png", "dark_offset.png", "dark_pavement.png", "hydro.png", "plastic.png", "dark_plastic.png", "white_plastic.png", "clown.png" ]
+- files: [ "bar.png", "blue.png", "kitchen.png", "laundry.png", "mime.png", "steel.png", "steel_dirty.png", "steel_diagonal.png", "steel_mini.png", "steel_offset.png", "steel_pavement.png", "white.png", "white_diagonal.png", "white_mini.png", "white_offset.png", "white_pavement.png", "dark.png", "dark_diagonal.png", "dark_mini.png", "dark_offset.png", "dark_pavement.png", "hydro.png", "plastic.png", "dark_plastic.png", "white_plastic.png", "cafeteria.png", "checker_dark.png", "clown.png" ]
   license: "CC-BY-SA-3.0"
   copyright: "Created by github user @Flareguy, original, unedited base tiles modified from /tg/station at commit 6665eec76c98a4f3f89bebcd10b34b47dcc0b8ae and github user @moonheart08"
   source: "https://github.com/space-wizards/space-station-14/"
@@ -36,6 +41,11 @@
   copyright: "arcadered renamed from eightiesred, arcadeblue by Peptide90 modified from arcadered.png, tgstation commit 8abb19545828230d92ba18827feeb42a67a55d49"
   source: "https://github.com/tgstation/tgstation/"
 
+- files: ["hull", "hull_reinforced.png"]
+  license: "CC-BY-SA-3.0"
+  copyright: "Taken from /tg/station at commit 6665eec76c98a4f3f89bebcd10b34b47dcc0b8ae"
+  source: "https://github.com/space-wizards/space-station-14/pull/18676"
+
 - files: ["shuttleblue.png", "shuttleorange.png", "shuttlepurple.png", "shuttlered.png", "shuttlewhite.png"]
   license: "CC-BY-SA-3.0"
   copyright: "paradisestation commit 69c831afcd9aef25a2889b507e4f36a3a5fc6def, originally from /VG/ eris"