feat: create users in the build-in radius server (#286)

* feat: account resource with data source

* Adjust docs and validation

* add import test steps

* adjust radius capitalization in docs

Co-authored-by: Paul Tyng <paul@paultyng.net>

docs/data-sources/account.md

@@ -0,0 +1,34 @@
+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "unifi_account Data Source - terraform-provider-unifi"
+subcategory: ""
+description: |-
+  unifi_account data source can be used to retrieve RADIUS user accounts
+---
+
+# unifi_account (Data Source)
+
+`unifi_account` data source can be used to retrieve RADIUS user accounts
+
+
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `name` (String) The name of the account to look up
+
+### Optional
+
+- `site` (String) The name of the site the account is associated with.
+
+### Read-Only
+
+- `id` (String) The ID of this account.
+- `network_id` (String) ID of the network for this account
+- `password` (String, Sensitive) The password of the account.
+- `tunnel_medium_type` (Number) See RFC2868 section 3.2
+- `tunnel_type` (Number) See RFC2868 section 3.1
+
+

docs/data-sources/radius_profile.md

@@ -18,7 +18,7 @@ description: |-
 ### Optional
 
 - `name` (String) The name of the RADIUS profile to look up. Defaults to `Default`.
-- `site` (String) The name of the site the radius profile is associated with.
+- `site` (String) The name of the site the RADIUS profile is associated with.
 
 ### Read-Only