Update site and gemfiles

Gemfile.lock

@@ -12,7 +12,7 @@ GEM
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
     execjs (2.8.1)
-    ffi (1.15.3)
+    ffi (1.15.4)
     forwardable-extended (2.6.0)
     htmlcompressor (0.4.0)
     http_parser.rb (0.6.0)

_site/feed.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="4.2.0">Jekyll</generator><link href="/feed.xml" rel="self" type="application/atom+xml" /><link href="/" rel="alternate" type="text/html" /><updated>2021-09-01T08:39:36-06:00</updated><id>/feed.xml</id><entry><title type="html">Idea For A VPN Service</title><link href="/2021/08/31/vpns-api/" rel="alternate" type="text/html" title="Idea For A VPN Service" /><published>2021-08-31T00:00:00-06:00</published><updated>2021-08-31T00:00:00-06:00</updated><id>/2021/08/31/vpns-api</id><content type="html" xml:base="/2021/08/31/vpns-api/">&lt;p&gt;Recently I’ve been thinking about starting a VPN service.
+<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="4.2.0">Jekyll</generator><link href="/feed.xml" rel="self" type="application/atom+xml" /><link href="/" rel="alternate" type="text/html" /><updated>2021-09-02T15:01:36-06:00</updated><id>/feed.xml</id><entry><title type="html">Idea For A VPN Service</title><link href="/2021/08/31/vpns-api/" rel="alternate" type="text/html" title="Idea For A VPN Service" /><published>2021-08-31T00:00:00-06:00</published><updated>2021-08-31T00:00:00-06:00</updated><id>/2021/08/31/vpns-api</id><content type="html" xml:base="/2021/08/31/vpns-api/">&lt;p&gt;Recently I’ve been thinking about starting a VPN service.
 This service has some interesting requirements that I have never seen a VPN service do before, so I’d like to put down my thoughts as to what might be sensible for a centralized yet encrypted* VPN service.&lt;/p&gt;
 
 &lt;p&gt;I would license all the code and scripts under the AGPLv3.

_site/sitemap.xml

@@ -2,31 +2,31 @@
 <urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
 <url>
 <loc>/emacspeak-tutorials/arrays/</loc>
-<lastmod>2021-09-01T08:39:36-06:00</lastmod>
+<lastmod>2021-09-02T15:01:36-06:00</lastmod>
 </url>
 <url>
 <loc>/emacspeak-tutorials/functions/</loc>
-<lastmod>2021-09-01T08:39:36-06:00</lastmod>
+<lastmod>2021-09-02T15:01:36-06:00</lastmod>
 </url>
 <url>
 <loc>/emacspeak-tutorials/loops/</loc>
-<lastmod>2021-09-01T08:39:36-06:00</lastmod>
+<lastmod>2021-09-02T15:01:36-06:00</lastmod>
 </url>
 <url>
 <loc>/emacspeak-tutorials/pointers/</loc>
-<lastmod>2021-09-01T08:39:36-06:00</lastmod>
+<lastmod>2021-09-02T15:01:36-06:00</lastmod>
 </url>
 <url>
 <loc>/emacspeak-tutorials/printing/</loc>
-<lastmod>2021-09-01T08:39:36-06:00</lastmod>
+<lastmod>2021-09-02T15:01:36-06:00</lastmod>
 </url>
 <url>
 <loc>/emacspeak-tutorials/structs/</loc>
-<lastmod>2021-09-01T08:39:36-06:00</lastmod>
+<lastmod>2021-09-02T15:01:36-06:00</lastmod>
 </url>
 <url>
 <loc>/emacspeak-tutorials/user-input/</loc>
-<lastmod>2021-09-01T08:39:36-06:00</lastmod>
+<lastmod>2021-09-02T15:01:36-06:00</lastmod>
 </url>
 <url>
 <loc>/2020/01/22/padding-and-margin/</loc>