FAQ: add "where to start learning elisp" section

doc/FAQ.org

@@ -24,6 +24,7 @@
    - [[#why-do-i-get-4m-characters-inside-ansi-term][Why do I get '4m' characters inside ansi-term?]]
    - [[#why-are-my-font-settings-not-being-respected][Why are my font settings not being respected?]]
    - [[#why-am-i-getting-a-message-about-environment-variables-on-startup][Why am I getting a message about environment variables on startup?]]
+   - [[#i-want-to-learn-elisp-where-do-i-start-][I want to learn elisp, where do I start ?]]
  - [[#how-do-i][How do I:]]
    - [[#install-a-package-not-provided-by-a-layer][Install a package not provided by a layer?]]
    - [[#disable-a-package-completely][Disable a package completely?]]
@@ -262,6 +263,13 @@ You can also disable this feature entirely by adding =exec-path-from-shell= to
 the list =dotspacemacs-excluded-packages= if you prefer setting =exec-path=
 yourself.
 
+** I want to learn elisp, where do I start ?
+Very quick start: [[http://learnxinyminutes.com/docs/elisp/][learn X in Y minutes (where X is elisp)]]
+
+Practical reference with code examples for various situations that you will
+encounter: [[http://caiorss.github.io/Emacs-Elisp-Programming/][http://caiorss.github.io/Emacs-Elisp-Programming/]], more particularly
+sections [[http://caiorss.github.io/Emacs-Elisp-Programming/Elisp_Programming.html][Elisp Programming]] and [[http://caiorss.github.io/Emacs-Elisp-Programming/Elisp_Snippets.html][Elisp code snippets]].
+
 * How do I:
 ** Install a package not provided by a layer?
 Spacemacs provides a variable in the =dotspacemacs/layers= function in