add termux config to the repo

_setup.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 PATH_PREFIX=`pwd`
 
@@ -40,6 +40,18 @@ if ! [ -d ~/.asdf ]; then
     cd $PATH_PREFIX
 fi
 
+# termux tuning
+if grep -q "Android" <<< `uname -a`; then
+    if ! [ -d ~/.termux ]; then
+        mkdir ~/.termux
+    fi
+    rm ~/.termux/termux.properties
+    # must be copy to prevent error on termux startup
+    cp $PATH_PREFIX/termux/termux.properties ~/.termux/termux.properties
+    # reload settings
+    termux-reload-settings
+fi
+
 echo "exa fd bat tmux htop nano most ripgrep emacs zsh lf restic rclone"
 echo "copy restic.sh if desired/needed"
 echo "run tmux and do <prefix>-I to install plugins and finish setup"

termux/termux.properties

@@ -0,0 +1 @@
+extra-keys = [  ['ESC','-','BACKSLASH','HOME','UP','END','PGUP','DEL'],  ['TAB','CTRL','ALT','LEFT','DOWN','RIGHT','PGDN','DRAWER'] ]