Recognize more Clojure extensions

core/prelude-packages.el

@@ -143,6 +143,9 @@ PACKAGE is installed only if not already present.  The file is opened in MODE."
 (defvar prelude-auto-install-alist
   '(("\\.adoc\\'" adoc-mode adoc-mode)
     ("\\.clj\\'" clojure-mode clojure-mode)
+    ("\\.cljc\\'" clojure-mode clojurec-mode)
+    ("\\.cljs\\'" clojure-mode clojurescript-mode)
+    ("\\.edn\\'" clojure-mode clojure-mode)
     ("\\.cmake\\'" cmake-mode cmake-mode)
     ("CMakeLists\\.txt\\'" cmake-mode cmake-mode)
     ("\\.coffee\\'" coffee-mode coffee-mode)