added some keymaps

wezterm.lua

@@ -1,4 +1,5 @@
 local wezterm = require 'wezterm';
+local act = wezterm.action
 return {
   font = wezterm.font("JetBrainsMono Nerd Font Mono"),
   -- font = wezterm.font("Roboto Mono"),
@@ -25,4 +26,46 @@ return {
     top = 0,
     bottom = 0,
   },
+  keys = {
+    {
+      key = 'RightArrow',
+      mods = 'SHIFT',
+      action = act.ActivateTabRelative(1)
+    },
+    {
+      key = 'LeftArrow',
+      mods = 'SHIFT',
+      action = act.ActivateTabRelative(-1)
+    },
+    {
+      key = 'LeftArrow',
+      mods = 'ALT',
+      action = act.ActivatePaneDirection 'Left',
+    },
+    {
+      key = 'RightArrow',
+      mods = 'ALT',
+      action = act.ActivatePaneDirection 'Right',
+    },
+    {
+      key = 'UpArrow',
+      mods = 'ALT',
+      action = act.ActivatePaneDirection 'Up',
+    },
+    {
+      key = 'DownArrow',
+      mods = 'ALT',
+      action = act.ActivatePaneDirection 'Down',
+    },
+    {
+      key = '+',
+      mods = 'ALT|SHIFT',
+      action = wezterm.action.SplitVertical,
+    },
+    {
+      key = '_',
+      mods = 'ALT|SHIFT',
+      action = wezterm.action.SplitHorizontal,
+    },
+  }
 }