Enable to add custom el file

Author: eshamster

Diff for: README.md

@@ -13,6 +13,8 @@ $ docker run -v <a host folder>:/root/work -it eshamster/cl-devel2 /bin/sh
 
 Note: `/root/work` is a sym-link to `/root/.roswell/local-projects`
 
+If you want to add custom `.el` file, add `/root/.emacs.d/site-lisp/custom/custom.el` file into the container.
+
 ## Description
 
 This mainly consists of ...

Diff for: init.el

@@ -147,6 +147,9 @@
             (font-lock-add-keywords
              nil '(("^[^\n]\\{100\\}\\(.*\\)$" 1 font-lock-warning-face t)))))
 
+;; --- load custom el file if exist --- ;;
+(load "custom/custom.el" t)
+
 ;; --------------------- ;;
 ;; --- auto settings --- ;;
 ;; --------------------- ;;

Diff for: sample-custom-el/custom.el

@@ -0,0 +1 @@
+(message "--- custom/custom.el is loaded ---")

Diff for: test_run.sh

@@ -8,4 +8,4 @@ docker rmi $(docker images | awk '/^<none>/ { print $3 }') || echo "ignore rmi e
 docker rm `docker ps -a -q` || echo "ignore rm error"
 
 docker build -t ${name}:latest .
-docker run --name cl-devel2 -v ~/work/lisp:/root/work -it ${name}:latest /bin/sh
+docker run --name ${name} -v ~/work/lisp:/root/work -v "$(pwd)/sample-custom-el":/root/.emacs.d/site-lisp/custom -it ${name}:latest /bin/ash