Updated allowed words in spelling checker

Author: Madeeks

.github/actions/spelling/allow.txt

@@ -16,9 +16,11 @@ CWP
 CXI
 Ceph
 Containerfile
+Containerfiles
 DNS
 Dockerfiles
 Dufourspitze
+EFA
 EMPA
 ETHZ
 Ehrenfest
@@ -75,6 +77,7 @@ MeteoSwiss
 NAMD
 NICs
 NVMe
+NVSHMEM
 Nordend
 OpenFabrics
 OAuth
@@ -101,6 +104,7 @@ ROCm
 RPA
 Roboto
 Roothaan
+SHMEM
 SSHService
 STMV
 Scopi