Various docs improvements based on Friday Office Hours discussion

docs/source/installation/upgrading.md

@@ -0,0 +1,30 @@
+
+# Upgrading
+
+If an update is available, then you will see a message in the logs when you
+run Auto Archiver. Here's what those logs look like:
+
+```{code} bash
+********* IMPORTANT: UPDATE AVAILABLE ********
+A new version of auto-archiver is available (v0.13.6, you have 0.13.4)
+Make sure to update to the latest version using: `pip install --upgrade auto-archiver`
+```
+
+Upgrading Auto Archiver depends on the way you installed it.
+
+## Docker
+
+To upgrade using docker, update the docker image with:
+
+```
+docker pull bellingcat/auto-archiver:latest 
+```
+
+## Pip
+
+To upgrade the pip package, use:
+
+```
+pip install --upgrade auto-archiver
+```
+