Add GRACE-1L-SMAX-OMAT-large UQ model + checkpoint

checkpoints/GRACE-1L-SMAX-OMAT-large-checkpoint.tar.gz

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:283297d8a1b53db6703d35b2d00a5e34f47e70368096ef67231a5035480bf6ca
+size 102610833

models/GRACE-1L-SMAX-OMAT-large-model.tar.gz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7aa228bda8a5815994931ad17c817f7c8afbf6f1dbe844c0ebb1f586cd7f8695
-size 146375457
+oid sha256:a7acb9207f57e1e879ce10ee38fe1e1d551775af2481ce9a9eb00937af0a6046
+size 161527346