Add a game rule for in what type of wars (attack defend or both) will additional troops be spawned.

UPDATE FOR 1.18.2

Spawn more troops when Liao/Jin become steppe-admin

New events triggered when Zhao Kuangyin died before "The Sound of Axes and Shifting Candlelight", and Zhao Kuangyi will still usurp the authority from Zhao Kuangyin's heir.

New decision for Liao and Wanggiyan invader to found great Liao / great Jin ( adopt steppe-admin government, change title name, color and de-jure capital.)

Translating file updated

Fix for triggers of "The Sound of Axes and Shifting Candlelight" event.

New decision:
1. Xixia invader can convert culture if Hexi and Xia to tangut.
2.Zhao Kuangyin invader can change the de-jure title, name and color of China to Kaifeng, Song and red respectively.

Additional invasion:
Zhao Kuangyin, 960, China

Make Timur's fatih Maturidi, same with his children.
Mongol successor Yuan now can start invade normally, and won't end the invasion prematurely after claim the mandate of heaven.