.forgejo workflow: + xo-numeric [CI]

.forgejo/workflows/ci.yaml

@@ -55,8 +55,10 @@ jobs:
           nix-build ci.nix -A xo-subsys
 
       - name: build xo-flatstring
-        run:
+        run: |
+          echo -n nix-build ci.nix -A xo-flatstring
           nix-build ci.nix -A xo-flatstring
+          ls -l ./result
 
       - name: build xo-randomgen
         run: |
@@ -153,3 +155,9 @@ jobs:
           echo -n nix-build ci.nix -A xo-procedure2
           nix-build ci.nix -A xo-procedure2
           ls -l ./result
+
+      - name: build xo-numeric
+        run: |
+          echo -n nix-build ci.nix -A xo-numeric
+          nix-build ci.nix -A xo-numeric
+          ls -l ./result