add matrix uri handler registry values in installer

deploy/installer/gui/installscript.qs

@@ -23,6 +23,18 @@ Component.prototype.createOperations = function()
             component.addOperation( "CreateShortcut", "@TargetDir@\\nheko.exe", "@DesktopDir@\\nheko.lnk",
                                     "workingDirectory=@TargetDir@", "iconPath=@TargetDir@\\nheko.exe",
                                     "iconId=0", "description=Desktop client for the Matrix protocol");
+
+            var reg = installer.environmentVariable("SystemRoot") + "\\System32\\reg.exe";
+            var key= "HKEY_CLASSES_ROOT\\matrix";
+            component.addOperation("Execute", reg, "ADD", key, "/f", "/t", "REG_SZ", "/d", "URL:Matrix Protocol");
+            component.addOperation("Execute", reg, "ADD", key, "/f", "/v", "URL Protocol", "/t", "REG_SZ");
+            var iconkey = "HKEY_CLASSES_ROOT\\matrix\\DefaultIcon";
+            component.addOperation("Execute", reg, "ADD", iconkey, "/f", "/t", "REG_SZ", "/d", "@TargetDir@\\nheko.exe,1");
+            component.addOperation("Execute", reg, "ADD", "HKEY_CLASSES_ROOT\\matrix\\shell", "/f");
+            component.addOperation("Execute", reg, "ADD", "HKEY_CLASSES_ROOT\\matrix\\shell\\open", "/f");
+            var commandkey = "HKEY_CLASSES_ROOT\\matrix\\shell\\open\\command"
+            component.addOperation("Execute", reg, "ADD", commandkey, "/f");
+            component.addOperation("Execute", reg, "ADD", commandkey, "/f", "/t", "REG_SZ", "/d", "\"@TargetDir@\\nheko.exe\" \"%1\"");
         }
     }
     catch( e )