[MSX] Monster corpse stuff (#2209)

* Create t_nm_ichor_sh.json

* Add files via upload

* Add files via upload

* Create .gitkeep

* Add files via upload

* Delete gfx/MShockXotto+/pngs_tall_32x48/terrain/t_nm_wall_teeth/.gitkeep

* Create f_nm_nether_grass.json

* Add files via upload

* Create f_nm_tube.json

* Add files via upload

* Add files via upload

* Delete gfx/MShockXotto+/pngs_tiles_32x32/furniture/monster_corpse/f_nm_nether_grass directory

* Delete gfx/MShockXotto+/pngs_tiles_32x32/furniture/monster_corpse/f_nm_tube directory

* Create monster_corpse.json

* Add files via upload

gfx/MShockXotto+/pngs_tall_32x48/furniture/monster_corpse/monster_corpse.json

@@ -0,0 +1,10 @@
+[
+  {
+    "id": [ "f_nm_tube", "f_nm_tube_emitter" ],
+    "fg": "f_nm_tube"
+  },
+  {
+    "id": [ "f_nm_nether_grass", "f_nm_nether_grass_tall" ],
+    "fg": "f_nm_nether_grass"
+  }
+]

gfx/MShockXotto+/pngs_tiles_32x32/terrain/monster_corpse/t_nm_ichor_sh/t_nm_ichor_sh.json

@@ -0,0 +1,16 @@
+[
+  {
+    "id": "t_nm_ichor_sh",
+    "fg": "t_nm_ichor_sh_0",
+    "rotates": true,
+    "multitile": true,
+    "additional_tiles": [
+      { "id": "center", "fg": "t_nm_ichor_sh_0" },
+      { "id": "corner", "fg": "t_nm_ichor_sh_1" },
+      { "id": "edge", "fg": "t_nm_ichor_sh_2" },
+      { "id": "end_piece", "fg": "t_nm_ichor_sh_3" },
+      { "id": "t_connection", "fg": "t_nm_ichor_sh_0" },
+      { "id": "unconnected", "fg": "t_nm_ichor_sh_4" }
+    ]
+  }
+]