llama.cpp

267c1399 - common : refactor downloading system, handle mmproj with -hf option (#12694)

common : refactor downloading system, handle mmproj with -hf option (#12694) * (wip) refactor downloading system [no ci] * fix all examples * fix mmproj with -hf * gemma3: update readme * only handle mmproj in llava example * fix multi-shard download * windows: fix problem with std::min and std::max * fix 2