update about section to reflect new focus on SRE and programming languages, and add mission statement for AI-assisted developers

Author: robertDurst

docs/about.scrbl

@@ -4,4 +4,6 @@
 
 @title{About}
 
-@elem[#:style miami-cyan]{Brickell Research is an independent research lab focused on exploring interesting ideas in the field of programming languages and compilers with a special focus on the @hyperlink["https://www.ruby-lang.org/"]{Ruby} and @hyperlink["https://racket-lang.org/"]{Racket} programming languages.}
+@elem[#:style miami-cyan]{Brickell Research is an independent research lab focused on exploring interesting ideas in the interaction between SRE and programming languages.}
+
+@para{Our mission is to codify system thinking values for AI-assisted developers, bridging the gap between operational excellence and software engineering through innovative tools and methodologies.}