Update main.yml

Author: mcbarton

.github/workflows/main.yml

@@ -321,10 +321,10 @@ jobs:
         run: |
           micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyterlite-xeus -c conda-forge
           micromamba activate xeus-lite-host
-          timeout 200 jupyter lite serve --settings-overrides=overrides.json --XeusAddon.prefix=${{ env.PREFIX }}
+          timeout 200 jupyter lite serve --settings-overrides=overrides.json --XeusAddon.prefix=${{ env.PREFIX }} \
                          --XeusAddon.mounts="$PREFIX/share/xeus-cpp/tagfiles:/share/xeus-cpp/tagfiles" \
-                   	     --XeusAddon.mounts="$PREFIX/etc/xeus-cpp/tags.d:/etc/xeus-cpp/tags.d" \
-                   	     --contents README.md \
+                         --XeusAddon.mounts="$PREFIX/etc/xeus-cpp/tags.d:/etc/xeus-cpp/tags.d" \
+                         --contents README.md \
                    	     --contents notebooks/xeus-cpp-lite-demo.ipynb \
                    	     --contents notebooks/smallpt.ipynb \
                    	     --contents notebooks/images/marie.png \