Improve the README structure

README.md

@@ -7,6 +7,8 @@ Many websites for the many.
 ## Make your own
 
 ```bash
+$ git clone https://git.vvvvvvaria.org/varia/manymanymany-varia-websites
+$ cd manymanymany-varia-websites
 $ cp -R old myexperiment
 ```
 
@@ -18,44 +20,26 @@ If you want to build the site locally, follow the steps below.
 
 ## Build the site locally
 
-### Get a local copy
+Choose a site.
 
 ```bash
-$ git clone https://git.vvvvvvaria.org/varia/manymanymany-varia-websites
+$ cd 3colplus
 ```
 
-### Choose a version
-
-```bash
-$ cd manymanymany-varia-websites/3-column-plus
-```
-
-### System requirements
-
-Install the system requirements (on Debian based systems):
-
-```bash
-$ sudo apt install -y python3 python3-dev python3-venv
-```
-
-### Python requirements
-
-Then create a virtual environment and activate it:
+Create a virtual environment and activate it.
 
 ```bash
 $ python3 -m venv .venv
 $ source .venv/bin/activate
 ```
 
-Then install the requirements:
+Install the requirements.
 
 ```bash
 $ pip install -r requirements.txt
 ```
 
-### Generating the site
-
-Generate the content and run the server:
+Generate the content and run the server.
 
 ```bash
 $ make devserver