colors: Send UXTerm colors to X resources. Closes
! Generated by 'wal'
URxvt*foreground: {foreground}
XTerm*foreground: {foreground}
+UXTerm*foreground: {foreground}
URxvt*background: {background.alpha}
XTerm*background: {background}
+UXTerm*background: {background}
URxvt*cursorColor: {cursor}
XTerm*cursorColor: {cursor}
+UXTerm*cursorColor: {cursor}
! Colors 0-15.
*.color0: {color0}
