Made ctrl space work and added json support

.wezterm.lua

@@ -55,6 +55,14 @@ return {
 	-- change here to key="b", mods="CMD" for ^+b equivalent in tmux.
 	leader = { key = "b", mods = "CTRL", timeout_milliseconds = 1000 },
 	keys = {
+		{
+			key = " ",
+			mods = "CTRL",
+			action = act.SendKey({
+				key = " ",
+				mods = "CTRL",
+			}),
+		},
 		{ key = "LeftArrow", mods = "OPT", action = act.SendString("\x1bb") },
 		{ key = "RightArrow", mods = "OPT", action = act.SendString("\x1bf") },