Add zh_cn translation

[ChemXiaofu]

Add a zh_cn translation file, but it does not work as expected.

[ChemXiaofu]

some texts are not at the correct postion. And I don't know where the line '"realism.schedule.condition.time_of_day_realistic": "Time of Day Realistic"' is displayed in the game.

[ChemXiaofu]

By the way, there are no tilting trains (such as BR Class 390) operating in the mainland of China. So for players who use Chinese(Simplified), It is hard to understand what is the tilting train. They had only learned why trains should tilt when the train turns in their physics class as they are senior high school students.

[stacode123]

Ah it seems like my code doesn't take into account different text lengths. Ill have to fix that. Interesting that you don't have tilting trains seeing as you guys have such a big network of relatively high speed lines. Ill merge when a fix comes.

'"realism.schedule.condition.time_of_day_realistic" is displayed in the schedule as its a schedule condition.

[ChemXiaofu]

I think the option "realism.schedule.condition.time_of_day_realistic" is so similar to "create.schedule.condition.time_of_day", did you mean "Time in the real world"?

[ChemXiaofu]

If it is right, this option should be translated as "现实中的时间"

[stacode123]

time_of_day_realistic is time_of_day just written to be more realistic (takes into account delays) It does not use real world time.