Add docs for Policies resource

Author: emichaeli

website/docs/r/policies.html.markdown

@@ -0,0 +1,55 @@
+---
+layout: "sumologic"
+page_title: "SumoLogic: sumologic_policies"
+description: |-
+  Sets the Sumologic Policies
+---
+
+# sumologic_policies
+Sets the Sumologic Policies. Since each policy is global for the entire organization, please ensure that only a single
+instance of this resource is defined. The behavior for defining more than one policies resource is undefined.
+
+The following policies are supported:
+- [Audit Policy][1]
+- [Data Access Level Policy][2]
+- [Maximum Web Session Timeout Policy][3]
+- [Search Audit Policy][4]
+- [Share a Dashboard Outside Organization Policy][5]
+- [User Concurrent Sessions Limit Policy][6]
+
+## Example Usage
+```hcl
+resource "sumologic_policies" "example_policies" {
+  audit = false
+  data_access_level = false
+  max_user_session_timeout = "7d"
+  search_audit = false
+  share_dashboards_outside_organization = false
+  user_concurrent_sessions_limit {
+    enabled = false
+    max_concurrent_sessions = 100
+  }
+}
+```
+
+## Argument reference
+
+The following arguments are supported:
+
+- `audit` - (Optional) Whether the [Audit Policy][1] is enabled. Defaults to `false`.
+- `data_access_level` - (Optional) Whether the [Data Access Level Policy][2] is enabled. Defaults to `false`.
+- `max_user_session_timeout` - (Optional) The [maximum web session timeout][3] users are able to configure within their user preferences. Defaults to `7d`.
+- `search_audit` - (Optional) Whether the [Search Audit Policy][4] is enabled. Defaults to `false`.
+- `share_dashboards_outside_organization` - (Optional) Whether the [Share a Dashboard Outside Organization Policy][5] is enabled. Defaults to `false`.
+- `user_concurrent_sessions_limit` - (Block List, Max: 1, Optional) The [User Concurrent Sessions Limit Policy][6]. See [user_concurrent_sessions_limit schema](#user_concurrent_sessions_limit) for details.
+
+### Schema for `user_concurrent_sessions_limit`
+- `enabled` - (Optional) Whether the [User Concurrent Sessions Limit Policy][6] is enabled. Defaults to `false`.
+- `max_concurrent_sessions` - (Optional) Maximum number of concurrent sessions a user may have. Defaults to `100`.
+
+[1]: https://help.sumologic.com/Manage/Security/Audit-Index
+[2]: https://help.sumologic.com/Manage/Security/Data_Access_Level_for_Shared_Dashboards
+[3]: https://help.sumologic.com/Manage/Security/Set_a_Maximum_Web_Session_Timeout
+[4]: https://help.sumologic.com/Manage/Security/Search_Audit_Index
+[5]: https://help.sumologic.com/Visualizations-and-Alerts/Dashboards/Share_Dashboards/Share_a_Dashboard_Outside_Your_Org
+[6]: https://help.sumologic.com/Manage/Security/Set_a_Limit_for_User_Concurrent_Sessions