Add description

Author: glokta1

compiled_starters/c/README.md

@@ -3,7 +3,10 @@
 This is a starting point for C solutions to the
 ["Build Your Own Shell" Challenge](https://app.codecrafters.io/courses/shell/overview).
 
-_Add a description of your course here_
+_In this challenge, you'll build your own POSIX compliant shell that's capable
+of interpreting shell commands, running external programs and builtin commands
+like cd, pwd, echo and more. Along the way, you'll learn about shell command
+parsing, REPLs, builtin commands, and more._
 
 **Note**: If you're viewing this repo on GitHub, head over to
 [codecrafters.io](https://codecrafters.io) to try the challenge.

solutions/c/01-oo8/code/README.md

@@ -3,7 +3,10 @@
 This is a starting point for C solutions to the
 ["Build Your Own Shell" Challenge](https://app.codecrafters.io/courses/shell/overview).
 
-_Add a description of your course here_
+_In this challenge, you'll build your own POSIX compliant shell that's capable
+of interpreting shell commands, running external programs and builtin commands
+like cd, pwd, echo and more. Along the way, you'll learn about shell command
+parsing, REPLs, builtin commands, and more._
 
 **Note**: If you're viewing this repo on GitHub, head over to
 [codecrafters.io](https://codecrafters.io) to try the challenge.

starter_templates/README.md

@@ -3,7 +3,7 @@
 This is a starting point for {{language_name}} solutions to the
 ["Build Your Own Shell" Challenge](https://app.codecrafters.io/courses/shell/overview).
 
-_Add a description of your course here_
+_In this challenge, you'll build your own POSIX compliant shell that's capable of interpreting shell commands, running external programs and builtin commands like cd, pwd, echo and more. Along the way, you'll learn about shell command parsing, REPLs, builtin commands, and more._
 
 **Note**: If you're viewing this repo on GitHub, head over to [codecrafters.io](https://codecrafters.io) to try the challenge.