flake.nix: add all binaries from bin (#848)

flake.nix

@@ -28,10 +28,8 @@
           ];
           installPhase = ''
             mkdir -p $out/bin
-            mv bin/main $out/bin/llama
-            mv bin/quantize $out/bin/quantize
-            mv bin/embedding $out/bin/embedding
-            mv bin/perplexity $out/bin/perplexity
+            mv bin/* $out/bin/
+            mv $out/bin/main $out/bin/llama
 
             echo "#!${llama-python}/bin/python" > $out/bin/convert-pth-to-ggml
             cat ${./convert-pth-to-ggml.py} >> $out/bin/convert-pth-to-ggml