Add credits section

thebookofcolors

@@ -416,7 +416,20 @@ section_table_of_all_sgr_commands() {
 
 section_credits() {
 	title "Credits"
-	printf 'TODO\n'
+
+	thebookofcolors
+	printf " owes much of its information to the following sources:\n"
+	printf "    - https://notes.burke.libbey.me/ansi-escape-codes/\n"
+	printf "    - https://en.wikipedia.org/wiki/ANSI_escape_code\n"
+	printf "    - https://prirai.github.io/blogs/ansi-esc/\n"
+	printf "    - https://www.wikiwand.com/en/ANSI_escape_code\n"
+	newline
+
+	thebookofcolors
+	printf " gives many thanks to the many people responsible for compiling this information, and encourages you to use these sources as part of your further reading on the subject.\n"
+	printf "For example, a topic not covered here (since this is a manual purely on color and styling) is the series of ANSI escape codes used to control the cursor position on the terminal; these can be combined with the information in "
+	thebookofcolors
+	printf " to create some interesting and potentially beautiful effects.\n"
 }
 
 main() {