Add escape caps swap

Escape-CapsLock swap.html

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+<div class="row no-gutters">
+<div class="col">
+
+<p>This is a simple one. If you use vim and want an easy way to use escape
+faster, to exit out of insert mode and whatnot, try this (assuming you're on
+linux)</p>
+
+<blockquote>
+    setxkbmap -option caps:escape
+</blockquote>
+
+<p>Thats all there is to it. Throw that in ~/.xinitrc and that'll work in your
+terminal emulator or graphical windows. Hope this helps!</p>
+
+</div>
+</div>