[ADD] X and urxvt configuration

X/.Xresources

@@ -0,0 +1,36 @@
+! FIXME: this line should be conditional in some way
+#include ".Xresources.d/theme/easy-dark"
+
+! Remove the ugly scrollbar
+URxvt.scrollBar: false
+! Nice looking font, small but legible
+URxvt.font: xft:Terminus:mono:size=8
+! Remove the weird spacing around characters
+URxvt.letterSpace: -5
+
+! Loaading extensions
+URxvt.perl-ext-common: default,keyboard-select,resize-font
+
+!!! Font resizing shortcuts:
+! Ctr+Maj+=/Ctrl++ Go a size up
+! Ctrl+-           Go a size down
+! Ctrl+=           Go back to default
+! Ctrl+?           Show current size
+
+!!! Keyboard select shortcuts
+! h/j/k/l:    Move cursor left/down/up/right (also with arrow keys)
+! g/G/0/^/$/H/M/L/f/F/;/,/w/W/b/B/e/E: More vi-like cursor movement keys
+! '/'/?:      Start forward/backward search
+! n/N:        Repeat last search, N: in reverse direction
+! Ctrl+f/b:   Scroll down/up one screen
+! Ctrl+d/u:   Scroll down/up half a screen
+! v/V/Ctrl+v: Toggle normal/linewise/blockwise selection
+! y/Return:   Copy selection to primary buffer, Return: quit afterwards
+! Y:          Copy selected lines to primary buffer or cursor line and quit
+! q/Escape:   Quit keyboard selection mode
+
+! Activate keyboard selection with Al+-Esc
+URxvt.keysym.M-Escape: perl:keyboard-select:activate
+! Activate backwards-search with Alt+s
+URxvt.keysym.M-s: perl:keyboard-select:search
+