Merge pull request #109 from dknowles2/dknowles2-patch-1

Add installation instructions

Author: dknowles2

README.md

@@ -22,6 +22,39 @@ print(locks[0].name)
 lock[0].lock()
 ```
 
+## Installation
+
+### Pip
+
+To install pyschlage, run this command in your terminal:
+
+```sh
+$ pip install pyschlage
+```
+
+### Source code
+
+Pyschlage is actively developed on Github, where the code is [always available](https://github.com/dknowles2/pyschlage).
+
+You can either clone the public repository:
+
+```sh
+$ git clone https://github.com/dknowles2/pyschlage
+```
+
+Or download the latest [tarball](https://github.com/dknowles2/pyschlage/tarball/main):
+
+```sh
+$ curl -OL https://github.com/dknowles2/pyschlage/tarball/main
+```
+
+Once you have a copy of the source, you can embed it in your own Python package, or install it into your site-packages easily:
+
+```sh
+$ cd pyschlage
+$ python -m pip install .
+```
+
 ## Documentation
 
 API reference can be found on [Read the Docs](https://pyschlage.readthedocs.io)