Add pipenv instructions

README.md

@@ -2,28 +2,17 @@
 
 PostgREST docs use the reStructuredText format, check this [cheatsheet](https://github.com/ralsina/rst-cheatsheet/blob/master/rst-cheatsheet.rst) to get acquainted with it.
 
-To generate HTML version:
-
-1. Install Sphinx from the [sphinx website](http://www.sphinx-doc.org/en/stable/install.html)
-2. Clone this repository
-3. Generate HTML
-    ```bash
-    cd postgrest-docs
-    sphinx-build -b html -a -n . _build
-
-    # open _build/index.html in your browser
-    ```
-
-If you use [nix](https://nixos.org/nix/), you can just run:
+You can use [pipenv](https://pipenv.readthedocs.io) to build the docs locally:
 
+```bash
+  pipenv install
+  pipenv run python livereload_docs.py
 ```
+
+Or if you use [nix](https://nixos.org/nix/), you can just run:
+
+```bash
   nix-shell
 ```
 
-This will build the docs and start a livereload server on `http://localhost:5500`.
-
----
-
-**Sphinx Installation Notes:**
-
-* If you're on OSX you might want to install the Python from homebrew - then a simple `pip install sphinx` does the trick.
+Both of these options will build the docs and start a livereload server on `http://localhost:5500`.