Add Adjust House Modifier trigger action

Author: Rampastring

src/TSMapEditor/Config/Default/Actions.ini

@@ -891,4 +891,13 @@ P3Type=Color
 ;134
 [DisableTemplatedText]
 Name=Disable Templated Text (Vinifera)
-Description=Removes the currently active templated text from the screen.
+Description=Removes the currently active templated text from the screen.
+
+;135
+[AdjustHouseModifier]
+Name=Adjust House Modifier (Vinifera)
+Description=Adjusts a house's stat modifier by given percentage.
+P2Type=Number
+P2Name=Modifier
+P2PresetOptions=0 Firepower,1 Armor,2 Groundspeed,3 Airspeed,4 Rate of Fire,5 Cost,6 Build Time
+P3Type=Number