add list

CloudComputing_Lab/modules/ROOT/pages/tech-list.adoc

@@ -71,7 +71,7 @@ Features:
 
 ====
 
-== Linux containers
+=== Linux containers (Highly Recommended)
 
 * https://www.redhat.com/en/topics/containers/whats-a-linux-container?utm_campaign=containers&intcmp=70160000000h1s6AAA#history-of-containers[A brief history of containers^]
 
@@ -307,7 +307,7 @@ https://netflix.github.io/[netflix github^]
 == Et cetera
 
 * https://en.wikipedia.org/wiki/The_Cathedral_and_the_Bazaar[The Cathedral and the Bazaar^]
-* http://www.catb.org/~esr/writings/cathedral-bazaar/[The Cathedral and the Bazaar - Translations]
+* http://www.catb.org/~esr/writings/cathedral-bazaar/[The Cathedral and the Bazaar - Translations] (Highly Recommended)
 * http://www.catb.org/~esr/faqs/hacker-howto.html[How To Become A Hacker^]
 * https://www.gutenberg.org/[Project Gutenberg^] - >60,000 free eBooks)
 * https://www.openbook.gr[openbooks library^] - >11.458 ελληνικά e-books