Revert to mudler Q4_K GGUF (Q3_K_M not compatible with locate-anything.cpp)

Switch to Q3_K_M quant (~2.8GB) for faster inference

Add libgomp1 for OpenMP runtime

Fix binary path: examples/cli/locate-anything-cli

Use build-essential for compiler toolchain

Fix cmake source dir -S /src

Shallow clone, reduce build jobs to 2

Fix COPY paths for repo root

Add LocateAnything C++ detection server