Merge pull request 'Add instructions for running a local development instance of the wiki' (#4) from dev_setup into main

Reviewed-on: #4

README.md

@@ -7,3 +7,15 @@ https://testing.rocky.page
 ## Continuous Integration / Continuous Deployment
 
 Actions Runner executes workflow to publish to https://testing.rocky.page on push to main.
+
+## Local Development
+
+To run a local instance of the wiki for development purposes, do the following:
+
+    # Install dependencies
+    pip3 install -r requirements.txt
+
+    # Run the local mkdocs server
+    mkdocs serve
+
+The wiki will be available at http://127.0.0.1:8080 and will refresh automatically when edited files are saved.