Add simple configuration example to readme

README.org

@@ -31,6 +31,19 @@ You can use ~ellama~ with other model or other llm provider.
 Without any configuration, the first available ollama model will be used.
 You can customize ellama configuration like this:
 
+#+BEGIN_SRC  emacs-lisp
+  (use-package ellama
+    :ensure t
+    :bind ("C-c e" . ellama-transient-main-menu)
+    :config
+    ;; show ellama context in header line in all buffers
+    (ellama-context-header-line-global-mode +1)
+    ;; send last message in chat buffer with C-c C-c
+    (add-hook 'org-ctrl-c-ctrl-c-final-hook #'ellama-chat-send-last-message))
+#+END_SRC
+
+More sofisticated configuration example:
+
 #+BEGIN_SRC  emacs-lisp
   (use-package ellama
     :ensure t
@@ -99,7 +112,7 @@ You can customize ellama configuration like this:
     ;; show ellama context in header line in all buffers
     (ellama-context-header-line-global-mode +1)
     ;; send last message in chat buffer with C-c C-c
-    (add-hook 'org-ctrl-c-ctrl-c-hook #'ellama-chat-send-last-message))
+    (add-hook 'org-ctrl-c-ctrl-c-final-hook #'ellama-chat-send-last-message))
 #+END_SRC
 
 ** Commands