fix: zenodo doi

Fixes #31

README.md

@@ -5,10 +5,10 @@
 A data model for the description of electrical power systems.
 
 - [IEEH Power System Data Model](#ieeh-power-system-data-model)
-  - [Field of Application](#-field-of-application)
-  - [Installation](#-installation)
-  - [Development](#-development)
-  - [Attribution](#-attribution)
+  - [ Field of Application](#-field-of-application)
+  - [ Installation](#-installation)
+  - [ Development](#-development)
+  - [ Attribution](#-attribution)
 
 ## <div id="application" /> Field of Application
 
@@ -47,11 +47,12 @@ Linux/Mac:
 curl -sSL https://github.com/raw/pdm-project/pdm/main/install-pdm.py | python3 -
 ```
 
-Install [pdm-venv](https://github.com/pdm-project/pdm-venv)
-
+Or using pipx or pip:
+```bash
+pipx install pdm
+```
 ```bash
-pdm plugin add pdm-venv
-pdm config venv.in_project true
+pip install --user pdm
 ```
 
 Clone `power-system-data-model`
@@ -90,6 +91,6 @@ Please provide a link to this repository:
 
 Please cite as:
 
-Institute of Electrical Power Systems and High Voltage Engineering - TU Dresden, _Power System Data Model - A data model for the description of electrical power systems_, Zenodo, 2023. <https://doi.org/10.5281/zenodo.7781375>.
+Institute of Electrical Power Systems and High Voltage Engineering - TU Dresden, _Power System Data Model - A data model for the description of electrical power systems_, Zenodo, 2023. <https://doi.org/10.5281/zenodo.8087079>.
 
-[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.7781375.svg)](https://doi.org/10.5281/zenodo.7781375)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.8087079.svg)](https://doi.org/10.5281/zenodo.8087079)