Luke's ST bindings

from https://github.com/LukeSmithxyz/st

• follow urls by pressing alt-l
• copy urls in the same way with alt-y
• copy the output of commands with alt-o

Bindings for

• scrollback with alt-↑/↓ or alt-pageup/down or shift while scrolling the mouse
• OR vim-bindings: scroll up/down in history with alt-k and alt-j. Faster with alt-u/alt-d.
• zoom/change font size: same bindings as above, but holding down shift as well. alt-home returns to default
• copy text with alt-c, paste is alt-v or shift-insert