update install scripts

* automate more of the nginx setup
* automate the dnsmasq setup

install/link.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+DOTFILES=$HOME/.dotfiles
+
+echo "creating symlinks"
+linkables=$( ls -1 -d **/*.symlink )
+for file in $linkables ; do
+    target="$HOME/.$( basename $file ".symlink" )"
+    echo "creating symlink for $file"
+    ln -s $DOTFILES/$file $target
+done