Added vim configuration

- added .vimrc
- added .vim directory
- added all conntent of .vim directory

**NOTE**
In the future don't add all the vim-plugins as hard links. Add vim-plugins
as git submodules. The reason behind this is, that you can update without any
problems.
Setup zsh

- moved .zshrc to zshrc
- added new plugins to be be loaded by default
Installtion script added

- added install.sh for automatic linking of .zshrc, .vimrc, and .vim