Added keyboard layout in X page from old wiki (#24)

* added keyboard layout in x page from old wiki

* keyboard layout: fixed install format and simplified

* update index

* fix typo

* keyboard: more concise

* edits

index.txt

@@ -61,7 +61,7 @@
 |                                     |  |                                     |
 |  @/xorg/x11-forwarding              |  |  TODO                               |
 |  @/xorg/sx                          |  |  TODO                               |
-|                                     |  |  TODO                               |
+|  @/xorg/keyboard-layout             |  |  TODO                               |
 |                                     |  |                                     |
 |                                     |  |                                     |
 +-------------------------------------+  +-------------------------------------+

xorg/index.txt

@@ -1,8 +1,9 @@
 XORG
 ________________________________________________________________________________
 
+- @/keyboard-layout
+- @/sx
 - @/x11-forwarding
 - @/x11vnc
 - @/xinit
 - @/xorg-server
-- @/sx

xorg/keyboard-layout.txt

@@ -0,0 +1,52 @@
+SETTING THE KEYBOARD LAYOUT IN X
+________________________________________________________________________________
+
+
+Using setxkbmap
+________________________________________________________________________________
+
+
+First, install setxkbmap:
+
++------------------------------------------------------------------------------+
+|                                                                              |
+|   $ kiss b setxkbmap && kiss i setxkbmap                                     |
+|                                                                              |
++------------------------------------------------------------------------------+
+
+Available layouts can be found in /usr/share/X11/xkb/symbols/ and set from the
+command line:
+
++------------------------------------------------------------------------------+
+|                                                                              |
+|  $ setxkbmap latam                                                           |
+|                                                                              |
++------------------------------------------------------------------------------+
+
+Put the above command in ~/.xinitrc to load it whenever an X session is started.
+
+
+Exiting xorg configuration files
+________________________________________________________________________________
+
+Create 00-keyboard.conf in /etc/X11/xorg.conf.d/ and edit the Xkb* options
+below to suit your needs. [0]
+
++------------------------------------------------------------------------------+
+|                                                                              |
+|   Section "InputClass"                                                       |
+|       Identifier          "system-keyboard"                                  |
+|       MatchIsKeyboard     "on"                                               |
+|       Option "XkbLayout"  "de"                                               |
+|       Option "XkbModel"   "pc105"                                            |
+|       Option "XkbVariant" ",qwertz"                                          |
+|       Option "XkbOptions" "grp:alt_shift_toggle"                             |
+|   EndSection                                                                 |
+|                                                                              |
++------------------------------------------------------------------------------+
+
+
+References
+________________________________________________________________________________
+
+[0] https://www.x.org/releases/X11R7.5/doc/input/XKB-Config.html