.reg file for #3778

Forgot to commit the .reg file...

src/blenderbim/blenderbim/bim/operator.py

@@ -237,7 +237,7 @@ class FileAssociate(bpy.types.Operator):
         # tried to do the regitsry change from powershell/cmd - but even admin rights are not enough
         # this is why we're using .reg
         reg_change_path = os.path.join(src_dir, "windows_bbim_association.reg")
-        subprocess.run(["cmd", "/c", reg_change_path])
+        subprocess.run(["cmd", "/c", "call", reg_change_path])
 
         ps_script_path = os.path.join(src_dir, "windows_bbim_association.ps1")
         # NOTE: call powershell with RunAs to get admin rights from user

src/blenderbim/blenderbim/libs/desktop/windows_bbim_association.reg

@@ -0,0 +1,4 @@
+Windows Registry Editor Version 5.00
+
+[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.ifc]
+[-]