Summary of commit

Additions:
* init.el:
  - Add file title
* modified.el:
  - Add debug-on-error to show stack trace on errors
* keybindings.el:
  - Add C-c C-d for duplicate-line
  - Add C-c C-k for kill-whole-line
  - Add C-c C-l for goto-line
* enabled.el:
  - Add other-window

Modifications:
* modified.el:
  - Replace 0 falsy values to nil
* keybindings.el:
  - Replace C-` keybinding with C-c C-`
* disabled.el:
  - Replace 0 falsy values to nil
* README.md:
  - Replace akk to ck
  - Replace akky to cd
  - Replace gggg to cl
  - Replace ` to c `

Deletions:
* user.el:
  - Remove colon of file title
* required.el:
  - Remove colon of file title
* modified.el:
  - Remove colon of file title
* keybindings.el:
  - Remove colon of file title
  - Remove M-` keybinding
* hooks.el:
  - Remove colon of file title
  - Remove switch-other-window
* README.md:
  - Remove g ` keybinding
* functions.el:
  - Remove colon of file title
  - Remove switch-other-window
* enabled.el:
  - Remove colon of file title
* disabled.el:
  - Remove colon of file title
* auto-install.el:
  - Remove colon of file title