Finish Overview section draft. Start Community section

Author: syreal17

README.md

@@ -1,5 +1,16 @@
 # pico Primer for Competitors
 
+## Overview
+
+This is a succint textbook on solving cybersecurity challenges presented by 
+traditional "Jeopardy-style" Capture-The-Flag (CTF) competitions.
+
+In the security CTF world, picoCTF is often cited as an excellent CTF for 
+beginners. More than most of CTF's we tailor our problems to build on each
+other and ramp competitors up to more advanced security topics. This has all
+been done through our annual CTF, but with this Primer, we slowly branch into
+education outside of the CTF format.
+
 For years, we dreamed at picoCTF of providing more formal instruction about the
 myriad of challenges that we present in our CTF's. There will always be
 challenges that are beyond the scope of any textbook, but in 2020, there are
@@ -18,6 +29,25 @@ for details on what sort of contributions will be most helpful for us.
 
 Thank you for your interest and support of picoCTF! 
 
+
+## Community
+
+Our Discord server is our main connection with our community at the current 
+time (as of this writing, that is October 2020). Anyone is free to join this
+Discord server by accepting this invite:
+
+https://discord.gg/WQGdYaB
+
+This community is comprised mostly of picoCTF competitors and other CTF 
+enthusiasts. But there are also staff developers, administrative leads,
+research leads, open-source contributors, and many other sorts of people.
+
+We have specific channels for primer related conversations, but you are welcome
+to post questions in any channel to get started.
+
+LT is the best point-of-contact for hacking on this Primer.
+
+
 ## Compile & Deploy
 NOTE: asciidoctor required. Apt install as needed.