Docs 202109 (#1067)

* module docstrings

* db schema graph

* dev docs first pass

* dev docs pass 2

* add generated notification to top of generated docs files

* linting

* regen docs

Co-authored-by: Stefan Pratter <stefan@20c.com>
Co-authored-by: Sunshine Buchholz <sunshine@20c.com>

docs/dev/modules/api_cache.py.md

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+Generated from api_cache.py on 2021-10-15 07:56:57.376975
+
+# peeringdb_server.api_cache
+
+Handle loading of api-cache data.
+
+# Classes
+---
+
+## APICacheLoader
+
+```
+APICacheLoader(builtins.object)
+```
+
+Checks if an API GET request qualifies for a cache load
+and if it does allows you to provide the cached result.
+
+
+### Methods
+
+#### \__init__
+`def __init__(self, viewset, qset, filters)`
+
+Initialize self.  See help(type(self)) for accurate signature.
+
+---
+#### filter_fields
+`def filter_fields(self, row)`
+
+Remove any unwanted fields from the resultset
+according to the `fields` filter specified in the request.
+
+---
+#### load
+`def load(self)`
+
+Load the cached response according to tag and depth.
+
+---
+#### qualifies
+`def qualifies(self)`
+
+Check if request qualifies for a cache load.
+
+---
+
+## CacheRedirect
+
+```
+CacheRedirect(builtins.Exception)
+```
+
+Raise this error to redirect to cache response during viewset.get_queryset
+or viewset.list()
+
+Argument should be an APICacheLoader instance.
+
+
+### Methods
+
+#### \__init__
+`def __init__(self, loader)`
+
+Initialize self.  See help(type(self)) for accurate signature.
+
+---