docs: Add setup with pypi to Readme (#7)

Signed-off-by: Christoph Auer <60343111+cau-git@users.noreply.github.com>
Signed-off-by: Christoph Auer <cau@zurich.ibm.com>

README.md

@@ -14,20 +14,26 @@ Docling bundles PDF document conversion to JSON and Markdown in an easy, self-co
 
 ## Setup
 
-You need Python 3.11 and poetry. Install poetry from [here](https://python-poetry.org/docs/#installing-with-the-official-installer).
+For general usage, you can simply install `docling` through `pip` from the pypi package index.
+```
+pip install docling
+```
+
+**Notes**:
+* Works on macOS and Linux environments. Windows platforms are currently not tested.
+
+### Development setup
 
-Once you have `poetry` installed, create an environment and install the package:
+To develop for `docling`, you need Python 3.11 and `poetry`. Install poetry from [here](https://python-poetry.org/docs/#installing-with-the-official-installer).
+
+Once you have `poetry` installed and cloned this repo, create an environment and install `docling` from the repo root:
 
 ```bash
 poetry env use $(which python3.11)
 poetry shell
 poetry install
 ```
 
-**Notes**:
-* Works on macOS and Linux environments. Windows platforms are currently not tested.
-
-
 ## Usage
 
 For basic usage, see the [convert.py](https://github.com/DS4SD/docling/blob/main/examples/convert.py) example module. Run with: