Go to the settings menu and search!
Chat with our AI personalities
Generated User interface. it means the bar at the bottom with your icons and the inventory menu.
If you open the menu, then click on GUI scale, it will adjust the size of you inventory
it is possible by modifying the server.jar file with the modded class files from the mod download.
its a animal that if you tame it, it will turn in to a cat that helps you just like if you tamed a wolf on minecraft.
get wood and turn them in to planks