Add MiniMax-M2.7 OSCAR KV rotations

MiniMax-M2.7/README.md

@@ -0,0 +1,5 @@
+# MiniMax-M2.7 OSCAR KV rotations
+
+Shared rotation, 62 layers, `[128, 128]`, uniform quantizer with Lloyd-Max off.
+This is the `seq10000_prompt37_group128` calibration, the one every published
+M2.7 eval config references.

MiniMax-M2.7/k_rotation_qqt_r_h_pbr.pt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a753379adf04ed17f364f378967bff0a568670cbc352fd6fa4618cbd57afae3e
+size 4131493

MiniMax-M2.7/v_rotation_sst_r_h_pbr.pt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4ef8e204a7253aa5fc845513bc3bdcbf82a13da61dc1972cf720f562ef82c9b
+size 4131493