Added Stonehammer's Placeables

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

_content/ratdog_content/sh_ramp_01.pwk

@@ -0,0 +1,25 @@
+# Exported from NWmax 0.8 b54 at 1/28/2019 7:33:06 AM
+# pwk file
+#
+#NWmax PWKMESH  ASCII
+node trimesh SH_Ramp_wg
+  parent SH_Ramp_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 4
+    -1.36441 -1.00121 0.0
+    1.36441 -1.00121 0.0
+    -1.36441 1.00121 0.0
+    1.36441 1.00121 0.0
+  faces 2
+    2 0 3  1  0 0 0  7
+    1 3 0  1  0 0 0  7
+endnode
+node dummy SH_Ramp_pwk_use01
+  parent SH_Ramp_pwk
+  position 0.0 0.0 0.1
+  orientation 1.0 0.0 0.0 0.0
+  wirecolor 0.223529 0.0313726 0.533333 
+endnode