Added Stonehammer's Placeables

Added Stonehammer's Placeables for future work on Zelkor's Ferry.

_content/ratdog_content/sh_cell_large04.pwk

@@ -0,0 +1,31 @@
+# Exported from NWmax 0.8 b54 at 2/13/2019 12:56:20 AM
+# pwk file
+#
+#NWmax PWKMESH  ASCII
+node trimesh SH_PLCBase_wg
+  parent SH_PLCBase_pwk
+  position 0.0 0.0 0.0
+  orientation 1.0 0.0 0.0 0.0
+  wirecolor 0.521569 0.0156863 0.0156863 
+  bitmap NULL
+  verts 8
+    3.8 -2.05 0.0
+    -1.5 -2.05 0.0
+    3.8 -1.65 0.0
+    -1.5 -1.65 0.0
+    -3.4 -2.05 0.0
+    -3.8 -2.05 0.0
+    -3.4 2.05 0.0
+    -3.8 2.05 0.0
+  faces 4
+    0 2 3  1  0 0 0  7
+    3 1 0  1  0 0 0  7
+    4 6 7  1  0 0 0  7
+    7 5 4  1  0 0 0  7
+endnode
+node dummy SH_PLCBase_pwk_use01
+  parent SH_PLCBase_pwk
+  position 0.0 0.0 0.1
+  orientation 1.0 0.0 0.0 0.0
+  wirecolor 0.6 0.894118 0.839216 
+endnode