chore: assign owner for terraform and k8s-related plugins

.github/CODEOWNERS

@@ -5,10 +5,15 @@ plugins/eza/                        @pepoluan
 plugins/genpass/                    @atoponce
 plugins/git-lfs/                    @hellovietduc
 plugins/gitfast/                    @felipec
+plugins/kube-ps1/                   @mcornella
+plugins/kubectl/                    @mcornella
+plugins/kubectx/                    @mcornella
+plugins/opentofu/                   @mcornella
 plugins/react-native                @esthor
 plugins/sdk/                        @rgoldberg
 plugins/shell-proxy/                @septs
 plugins/starship/                   @axieax
+plugins/terraform/                  @mcornella
 plugins/universalarchive/           @Konfekt
 plugins/wp-cli/                     @joshmedeski
 plugins/zoxide/                     @ajeetdsouza