Update cl_interiors.lua

feat: added gatherer or outpost destroying challenge

fix: creating new challenges now save correctly

feat: starting defend mission

fix: player stamina is refilled twice/second, instead of every frame

Update sv_challanges_main.lua

fix: challenges should be correctly created now

feat: added rewards for challenges

feat: added Challenges app to Phone

fix: data shows correctly on the Challenges menu

fix: client challenges are now synced, when joining the server

feat: /tpc command (teleport to coords, provide three args)

feat: challenges-v1

fix: Core player info save function changed from "execute" to "update"

feat: Challenges menu WIP