Create Train Additions

Update 0.1.2c

new content:

- approach signal (HV german)

- approach signal pole (HV german)

- main signal (HV german)

- main signal pole (HV german)

- block signal (HV german)

- block signal pole (HV german)

- ground signal (HV german)

- ground signal pole (HV german)

- Zs1 (HV german)

- Zs7 (HV german)

- pole fundament concrete

- signal bounder

- signal controller

things coming in the next update(s):

- pantograph (new)

- pantograph animation up

- pantograph animation down

- train buffer: retexture

- big train buffer: retexture

- train signal: retexture

- fake track model: size fix

- end track model: size fix

- signal controller fully functional

Versions:

- 1.19.2

- 1.18.2