add group write permissions to .pixi; create top-level symlink for envs folder

autodeploy/setup.sh

@@ -23,6 +23,11 @@ chmod +x ./pixi
 ./pixi init || true
 ./pixi install --all
 
+chmod -R g+rw .pixi
+
+rm $PWD/../../envs
+ln -s $PWD/.pixi/envs $PWD/../../
+
 #git config user.name "GFA AutoDeploy"
 #git config user.email "gfa-autodeploy@psi.ch"