update README.md

Author: glasnt

README.md

@@ -1,5 +1,9 @@
 # PyConline AU 2021 website
 
+This repo is now in archive. See infrastructure.md for setup details
+
+# old information
+
 This website is generated using [statik](https://github.com/thanethomson/statik) with automatic deployments by [Netlify](https://www.netlify.com/)
 
 For more information, see [infrastructure.md](infrastructure.md)
@@ -104,4 +108,4 @@ Try [this tip](https://stackoverflow.com/a/56228387):
   export CPPFLAGS="-I/usr/local/opt/openssl/include"
   ```
 
-  - run `poetry install` again
+  - run `poetry install` again

infrastructure.md

@@ -1,4 +1,14 @@
-# Infrastructure
+# Archive Infrastructure
+
+This repo now lives as an archive of the original website without automation. 
+
+For publishing updates, run the contents of the build steps in `netlify.yml`, then push the generated `public/` folder to the gh-pages branch: 
+
+```
+git subtree push --prefix public origin gh-pages
+```
+
+# Original Infrastructure
 
 [Statik](https://github.com/thanethomson/statik) uses data models to assist in developing a staticly generated website.