add glenn engstrand architecture and open source blog (kilimchoi#980)

README.md

@@ -560,6 +560,7 @@
 
 #### G individuals
 * Gleb Bahmutov https://glebbahmutov.com/blog/
+* Glenn Engstrand http://glennengstrand.info
 * Graham King https://www.darkcoding.net/
 * Grzegorz Gajos http://ggajos.com/
 * Guido van Rossum http://neopythonic.blogspot.com/

engineering_blogs.opml

@@ -444,6 +444,7 @@
       <outline type="rss" text="Filippo Valsorda" title="Filippo Valsorda" xmlUrl="https://blog.filippo.io/rss/" htmlUrl="https://blog.filippo.io/"/>
       <outline type="rss" text="Freek Van der Herten" title="Freek Van der Herten" xmlUrl="https://murze.be/feed" htmlUrl="https://murze.be/"/>
       <outline type="rss" text="Gleb Bahmutov" title="Gleb Bahmutov" xmlUrl="https://glebbahmutov.com/blog/atom.xml" htmlUrl="https://glebbahmutov.com/blog/"/>
+      <outline type="rss" text="Glenn Engstrand" title="Glenn Engstrand" xmlUrl="http://glennengstrand.info/blog/index.php?xml_sitemap=params=;html=true" htmlUrl="http://glennengstrand.info/blog/"/>
       <outline type="rss" text="Graham King" title="Graham King" xmlUrl="https://www.darkcoding.net/feed/" htmlUrl="https://www.darkcoding.net/"/>
       <outline type="rss" text="Guido van Rossum" title="Guido van Rossum" xmlUrl="http://neopythonic.blogspot.com/feeds/posts/default" htmlUrl="http://neopythonic.blogspot.com/"/>
       <outline type="rss" text="Guilherme Rodrigues" title="Guilherme Rodrigues" xmlUrl="https://firstdoit.com/feed" htmlUrl="https://firstdoit.com/"/>