Add extended installation instructions

README.md

@@ -24,17 +24,21 @@ the same format as notice packets, except that the notice type is
 Because this protocol does not have any authentication, it must be tunneled
 using a tool like ssh or stunnel.
 
-## To install
+## To hack
 
-    $ pip install .
+This package uses [Poetry](https://python-poetry.org) for packaging and Python virtual environment management. To get started:
 
-## To hack
+1.  [Fork](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/fork-a-repo) and [clone](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/fork-a-repo#cloning-your-forked-repository) this repository.
+
+2.  Install Poetry by following [their installation instructions](https://python-poetry.org/docs/#installation).
+
+3.  Install this package and its dependencies by running the following command inside your clone of this repository:
+
+        poetry install --all-extras
 
-This project uses [Poetry]. To hack on it, first [install Poetry]. Then, run
-the following commands to set up and enter the development virtual environment:
+4.  Run the following command to launch a shell that is preconfigured with the project's virtual environment:
 
-    $ poetry install
-    $ poetry shell
+        poetry shell
 
 ## To monitor