Added README with some installation hints.

README.md

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+This repository contains my personal [neovim](https://neovim.io/) configuration file. This way I am able to synchronize this configuration between different clients.
+
+## Installation
+### Install neovim 
+On Ubuntu, with root rights, this can be done by running:
+```bash
+sudo apt-get install neovim 
+```
+Alternatively it has to be build from source:
+```bash
+git clone https://github.com/neovim/neovim
+make CMAKE_BUILD_TYPE=RelWithDebInfo CMAKE_EXTRA_FLAGS="-DCMAKE_INSTALL_PREFIX=/full/path/"
+make install
+```
+### Install plugin Manager
+To install plugins automatically from Github, run
+```bash
+curl -fLo ~/.local/share/nvim/site/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
+```
+Then, it is possible to install plugins in nvim with `:PlugInstall` and update them with `:UpdateRemotePlugins`.
+
+### Install Prerequisites
+To make use of all plugins in the `init.vim` file some additional software has to be installed. With sudo rights on Ubuntu this can be done with: 
+```bash
+sudo apt-get install fonts-powerline
+sudo apt-get install exuberant-ctags
+```
+Without root rights the software has to be compiled manually. To install the powerline fonts, run:
+```bash
+git clone https://github.com/powerline/fonts.git --depth=1
+cd fonts
+./install.sh
+cd ..
+rm -rf fonts
+```
+To compile the Exuberant Ctags, download the latest version from [their website](http://ctags.sourceforge.net/). Then run:
+```bash
+tar -xzvf ctags-<X>.<Y.>tar.gz
+cd ctags-<X>.<Y>
+./configure --prefix=$HOME
+make && make install
+```
+
+### Setup environment
+Since you don't want to use Vi(m) anymore after you setup this awesome environment, place an alias in your `~/.bashrc`:
+```bash
+alias vi='nvim'
+```
+
+Then, clone the repository into you local `~/.config/nvim` directory, using:
+```bash
+git clone https://git.dennispotter.eu/Dennis/neovim-config ~/.config/nvim
+```
+To make sure the environment stays up to date, set an `git remote update` in your `~/.bashrc` or as a crontab.
+
+Alternatively, if you want to be able to update the config files on any client, setup a new git directory:
+```bash
+cd ~/.config/nvim
+git init
+git remote add origin git remote add origin git@dennispotter.eu:Dennis/neovim-config.git
+git pull origin master
+```
+To make sure the environment stays up to date, set an `git pull` in a crontab.
+
+
+