Docs: Add link to coverage-fuzzing AFL example

doc/user/application_security/coverage_fuzzing/index.md

@@ -33,6 +33,7 @@ Docker image with the fuzz engine to run your app.
 | Java     | [JQF](https://github.com/rohanpadhye/JQF) (not preferred) | [jqf-fuzzing-example](https://gitlab.com/gitlab-org/security-products/demos/coverage-fuzzing/java-fuzzing-example) |
 | JavaScript | [`jsfuzz`](https://gitlab.com/gitlab-org/security-products/analyzers/fuzzers/jsfuzz)| [jsfuzz-fuzzing-example](https://gitlab.com/gitlab-org/security-products/demos/coverage-fuzzing/jsfuzz-fuzzing-example) |
 | Python | [`pythonfuzz`](https://gitlab.com/gitlab-org/security-products/analyzers/fuzzers/pythonfuzz)| [pythonfuzz-fuzzing-example](https://gitlab.com/gitlab-org/security-products/demos/coverage-fuzzing/pythonfuzz-fuzzing-example) |
+| AFL (any language that works on top of AFL)      | [AFL](https://lcamtuf.coredump.cx/afl/)| [afl-fuzzing-example](https://gitlab.com/gitlab-org/security-products/demos/coverage-fuzzing/afl-fuzzing-example) |
 
 ## Configuration