doc: add man pages for AP provisioning files

Makefile.am

@@ -171,7 +171,8 @@ man_MANS =
 endif
 
 manual_pages = src/iwd.8 src/iwd.debug.7 src/iwd.config.5 src/iwd.network.5 \
-		client/iwctl.1 monitor/iwmon.1 wired/ead.8 tools/hwsim.1
+		src/iwd.ap.5 client/iwctl.1 monitor/iwmon.1 wired/ead.8 \
+		tools/hwsim.1
 
 eap_sources = src/eap.c src/eap.h src/eap-private.h \
 				src/eap-md5.c \
@@ -263,7 +264,8 @@ systemd_network_DATA += src/80-iwd.link
 endif
 
 if MANUAL_PAGES
-man_MANS += src/iwd.8 src/iwd.debug.7 src/iwd.config.5 src/iwd.network.5
+man_MANS += src/iwd.8 src/iwd.debug.7 src/iwd.config.5 src/iwd.network.5 \
+		src/iwd.ap.5
 endif
 endif
 

src/iwd.ap.rst

@@ -0,0 +1,62 @@
+============
+ iwd.ap
+============
+
+--------------------------------------
+Configuration of IWD access point
+--------------------------------------
+
+:Author: James Prestwood <prestwoj@gmail.com>
+:Copyright: 2020 Intel Corporation
+:Version: iwd
+:Date: 20 October 2020
+:Manual section: 5
+:Manual group: Linux Connectivity
+
+NAME
+====
+iwd.ap - Access point provisioning files
+
+SYNOPSIS
+========
+
+Description of access point provisioning files.
+
+DESCRIPTION
+===========
+
+An access point provisioning files define the configuration of an IWD access
+point. These files live in *$STATE_DIRECTORY*/ap (/var/lib/iwd/ap by default).
+
+FILE FORMAT
+===========
+
+See *iwd.network* for details on the file format.
+
+SETTINGS
+========
+
+The settings are split into several categories.  Each category has a group
+associated with it and described in separate tables below.
+
+Network Authentication Settings
+-------------------------------
+
+The group ``[Security]`` contains settings for Wi-Fi security and authentication
+configuration.
+
+.. list-table::
+   :header-rows: 0
+   :stub-columns: 0
+   :widths: 20 80
+   :align: left
+
+   * - Passphrase
+     - 8..63 character string
+
+       Passphrase to be used with this access point.
+
+SEE ALSO
+========
+
+iwd(8), iwd.network(5)