Revert install without git

Using docker to checkout the repository without git won’t work unless mounting the current directory. Which is difficult to make cross platform. Which is the reason for creating dockerized in the first place.

Author: boukeversteegh

README.md

@@ -48,10 +48,10 @@ dockerized <command>
 
 ## Installation
 
-- Make sure [Docker](https://docs.docker.com/get-docker/) is installed on your machine.
+- Make sure [Git](https://git-scm.com/downloads) and [Docker](https://docs.docker.com/get-docker/) are installed on your machine.
 - Clone this repo anywhere. For example into your home directory:
   ```shell
-  docker run --rm -it alpine/git clone https://github.com/datastack-net/dockerized.git
+  git clone https://github.com/datastack-net/dockerized.git
   ```
 - Add the `dockerized/bin` directory to your `PATH`:
   - Linux / MacOS: