Add quantised GGUF files

Phi-3-mini-128k-instruct-Q4_0.gguf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:12b22d53df9978c912b0f4d12f85018eb81e7676feb8dc407d23d4b44dbc2f9c
+size 2176177120

Phi-3-mini-128k-instruct-f16.gguf

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f3b752a7f11dfbc8b7e6e50c2b19d2b3426f0414b908679e5fd461cd83a1d11c
-size 7643296608
+oid sha256:1c56ff08a9b489d94795626e3e1859345cb615bda00d3d81c2852a716bf8d737
+size 7643297248