Added windows steam config files

mk/steamworks_sdk/sdk/tools/ContentBuilder/content/win_x86/.gitignore

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+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

mk/steamworks_sdk/sdk/tools/ContentBuilder/run_build.bat

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+builder\steamcmd.exe +login megaglest_team %1 +run_app_build_http ..\scripts\megaglest_build_windows_578870.vdf +quit

mk/steamworks_sdk/sdk/tools/ContentBuilder/scripts/megaglest_build_windows_578870.vdf

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+"appbuild"
+{
+	"appid"	"578870"
+	"desc" "MegaGlest" // description for this build
+	"buildoutput" "..\output\" // build output folder for .log, .csm & .csd files, relative to location of this file
+	"contentroot" "..\content\" // root content folder, relative to location of this file
+	"setlive"	"" // branch to set live after successful build, non if empty
+	"preview" "0" // to enable preview builds
+	"local"	""	// set to flie path of local content server 
+
+	"depots"
+	{
+		"578872" "win_x86_build_578872.vdf"
+	}
+}

mk/steamworks_sdk/sdk/tools/ContentBuilder/scripts/win_x86_build_578872.vdf

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+"DepotBuildConfig"
+{
+	// Set your assigned depot ID here
+	"DepotID" "578872"
+	"ContentRoot"	"C:\Code\steamworks_sdk\sdk\tools\ContentBuilder\content\win_x86\"
+
+	// include all files recursivley
+    "FileMapping"
+    {
+  	// This can be a full path, or a path relative to ContentRoot
+    "LocalPath" "*"
+
+    // This is a path relative to the install folder of your game
+    "DepotPath" "."
+
+    // If LocalPath contains wildcards, setting this means that all
+    // matching files within subdirectories of LocalPath will also
+    // be included.
+    "recursive" "1"
+    }
+
+	// but exclude all symbol files  
+	// This can be a full path, or a path relative to ContentRoot
+    "FileExclusion" "*.pdb"
+}