emacs.d: initial config version

- starting init.el
  just basics (package, use-package, path-handlin)
- include my-site-start.el
  that includes site-start.d directory and imports
  all *.el files in lexical order
- functionality is imported via use-package inside
  the *.el file
  (first run: internet connection is needed to MELPA)

site-start.d/201-hs-minor-mode.el

@@ -0,0 +1,32 @@
+;;; 20-hs-minor-mode.el --- hide-show code folding
+
+;;; Commentary:
+;; Online Documentation can be found at
+;; https://www.emacswiki.org/emacs/HideShow
+
+;;; Code:
+
+(load-library "hideshow")
+(global-set-key (kbd "C-+") 'toggle-hiding)
+(global-set-key (kbd "C-\\") 'toggle-selective-display)
+
+;; activate on following major modes
+(add-hook 'c-mode-common-hook   'hs-minor-mode)
+(add-hook 'emacs-lisp-mode-hook 'hs-minor-mode)
+(add-hook 'java-mode-hook       'hs-minor-mode)
+(add-hook 'lisp-mode-hook       'hs-minor-mode)
+(add-hook 'perl-mode-hook       'hs-minor-mode)
+(add-hook 'sh-mode-hook         'hs-minor-mode)
+(add-hook 'rust-mode-hook       'hs-minor-mode)
+
+;; Hide the comments too when you do a 'hs-hide-all'
+(setq hs-hide-comments nil)
+
+;; Set whether isearch opens folded comments, code, or both
+;; where x is code, comments, t (both), or nil (neither)
+(setq hs-isearch-open 'code)
+
+;; enable hs-minor-mode globaly
+;; (hs-minor-mode 1)
+
+;;; 20-hs-minor-mode.el ends here