misc update

- `cliphist`
- known dependencies
- lessen symlink checking (might not easily break)

.zprofile

@@ -1,10 +1,8 @@
 # init at each startup
-mkdir -p /tmp/$USER
-#ln -sf /tmp/$UID $HOME/.tmp
-[ $(readlink -f $HOME/.tmp) = "/tmp/$USER" ] || {
-    rm -f $HOME/.tmp
-    ln -s /tmp/$USER $HOME/.tmp
-}
+mkdir -p /tmp/$USER/cliphist
+mkdir -p /tmp/$USER/Trash
+#ln -sf /tmp/$USER $HOME/.tmp
+#ln -sf /tmp/$USER/Trash $HOME/.local/share/Trash
 
 # avoid dumplicate env appending.
 # [[ -f /run/user/$UID/.zshlogon ]] && return