Added .vcds from all the singleplayer games in the SDK

sp/game/hl2/scenes/Streetwar/sniper/ba_nag_grenade01.vcd

@@ -0,0 +1,38 @@
+// Choreo version 1
+actor "Barney"
+{
+  channel "Audio"
+  {
+    event speak "ba_nag_grenade01"
+    {
+      time 0.006667 1.640476
+      param "streetwar.ba_nag_grenade01"
+      param2 "75dB"
+      fixedlength
+      cctype "cc_master"
+      cctoken ""
+    }
+  }
+  channel "Expression"
+  {
+  }
+  channel "Look"
+  {
+    event lookat "look at player"
+    {
+      time 0.026666 1.626666
+      param "!player"
+    }
+  }
+}
+
+scalesettings
+{
+  "CChoreoView" "100"
+  "SceneRampTool" "100"
+  "ExpressionTool" "100"
+  "GestureTool" "100"
+  "RampTool" "100"
+}
+fps 60
+snap off