fix: conditionally add .spicetify to PATH and comment out Zen browser tasks

.bashrc

@@ -88,7 +88,10 @@ export DOTFILES_PATH=$HOME/.dotfiles
 export PATH=$PATH:$HOME/.local/bin
 export PATH=$PATH:$HOME/.cargo/bin
 export PATH=$PATH:$DOTFILES_PATH/bin
-export PATH=$PATH:$HOME/.spicetify
+
+if [ -d "$HOME/.spicetify" ]; then
+    export PATH=$PATH:$HOME/.spicetify
+fi
 
 # Include pnpm if it exists
 if [ -d "$HOME/.local/share/pnpm" ]; then