add missing gnu elpa packages and update readme

README.org

@@ -65,7 +65,7 @@
   - [[#network-is-blocked][Network is blocked]]
   - [[#email][Email]]
   - [[#cannot-download-packages][Cannot download packages?]]
-  - [[#use-packages-on-gnu-elpa][Use packages on GNU ELPA]]
+  - [[#installing-missing-packages-by-using-gnu-elpa][Installing missing packages by using GNU ELPA]]
   - [[#use-flycheck-to-syntax-check-code][Use flycheck to syntax check code]]
   - [[#disable-vim-key-bindings][Disable Vim key bindings]]
   - [[#evil-setup][Evil setup]]
@@ -588,10 +588,17 @@ If you use Gnus for email, check =init-gnus.el= and read [[https://github.com/re
 Some package cannot be downloaded automatically because of network problem.
 
 Run =M-x package-refresh-content=, restart Emacs, reinstall package.
-** Use packages on [[https://elpa.gnu.org/][GNU ELPA]]
-By default, packages from GNU ELPA are NOT available. Search the line "uncomment below line if you need use GNU ELPA" in =init-elpa.el= if you want to access GNU ELPA.
+** Installing missing packages by using [[https://elpa.gnu.org/][GNU ELPA]]
+The GNU ELPA repository contains FSF-sanctioned Emacs packages. It is the default repository used by =package.el=.
+
+GNU ELPA are *deactivated* in this setup.
+
+GNU ELPA is deactivated for below reasons,
+- 99% packages can be found from other repositories like MELPA
+- "~/.emacs.d/localelpa/" contains GNU ELPA packages required by this setup
+
+To re-activate GNU ELPA, please search the line "uncomment below line if you need use GNU ELPA" in =init-elpa.el= .
 
-For example, [[https://github.com/flycheck/flycheck][flycheck]] requires packages from GNU ELPA.
 ** Use flycheck to syntax check code
 If you prefer =flycheck= instead the default syntax check solution =lazyflymake= built into this configuration.
 

localelpa/archive-contents

@@ -1,5 +1,6 @@
 (1
  (csv-mode . [(1 10) nil "" single])
+ (eldoc . [(1 15 0) nil "" tar])
  (spinner . [(1 7 3) nil "" single])
  (nadvice . [(0 3) nil "" single])
  (xr . [(1 14) nil "" single])