add /etc/skel permissions

docs/etc-skel-permissions.md

@@ -0,0 +1,36 @@
+The tilde.etcskel repository contains the contents of the `/etc/skel/` directory, but since git repositories can't reproduce permissions on the files, here are the current permissions for those contents:
+
+```
+[root@tilde skel]# ls -alR
+.:
+total 40
+drwxr-xr-x  5 root root 4096 Oct 10 20:36 .
+drwxr-xr-x 90 root root 4096 Oct 15 02:39 ..
+-rw-r--r--  1 root root   29 Oct 10 12:02 .bash_logout
+-rw-r--r--  1 root root  176 Sep 26 00:25 .bash_profile
+-rw-r--r--  1 root root  124 Sep 26 00:25 .bashrc
+-rw-r--r--  1 root root  500 Sep  4  2013 .emacs
+drwx------  2 root root 4096 Oct 10 14:23 .irssi
+-rw-r--r--  1 root root   11 Oct 10 12:03 .logout
+drwxr-xr-x  2 root root 4096 Oct 13 19:39 public_html
+drwx------  2 root root 4096 Oct 10 20:36 .ssh
+
+./.irssi:
+total 20
+drwx------ 2 root root 4096 Oct 10 14:23 .
+drwxr-xr-x 5 root root 4096 Oct 10 20:36 ..
+-rw-r----- 1 root root 4910 Oct 11 14:18 config
+-rw-r--r-- 1 root root   12 Oct 10 14:23 startup
+
+./public_html:
+total 12
+drwxr-xr-x 2 root root 4096 Oct 13 19:39 .
+drwxr-xr-x 5 root root 4096 Oct 10 20:36 ..
+-rw-r--r-- 1 root root  323 Oct 13 19:44 index.html
+
+./.ssh:
+total 8
+drwx------ 2 root root 4096 Oct 10 20:36 .
+drwxr-xr-x 5 root root 4096 Oct 10 20:36 ..
+-rw-r--r-- 1 root root    0 Oct 10 20:36 authorized_keys
+```