[ADF-4152] Updated folder structure of core docs (#4415)

* [ADF-4152] Moved core library docs into subfolders

* [ADF-4152] Moved core library docs into subfolders

* [ADF-4152] Manual fixes to core doc file links

* [ADF-4152] Further automatic + manual link tidying

docs/core/services/people-content.service.md

@@ -0,0 +1,38 @@
+---
+Title: People Content service
+Added: v2.0.0
+Status: Active
+Last reviewed: 2018-04-06
+---
+
+# [People Content service](../../../lib/core/services/people-content.service.ts "Defined in people-content.service.ts")
+
+Gets information about a Content Services user.  
+
+## Class members
+
+### Methods
+
+-   **getCurrentPerson**(): [`Observable`](http://reactivex.io/documentation/observable.html)`<any>`<br/>
+    Gets information about the user who is currently logged in.
+    -   **Returns** [`Observable`](http://reactivex.io/documentation/observable.html)`<any>` - User information
+-   **getPerson**(personId: `string`): [`Observable`](http://reactivex.io/documentation/observable.html)`<any>`<br/>
+    Gets information about a user identified by their username.
+    -   _personId:_ `string`  - ID of the target user
+    -   **Returns** [`Observable`](http://reactivex.io/documentation/observable.html)`<any>` - User information
+
+## Details
+
+The class returned by `getPerson` and `getCurrentPerson` is detailed
+in the [Ecm User model docs](../models/ecm-user.model.md). The `avatarId` passed to
+`getUserProfileImage` is available as a field of the [`EcmUserModel`](../../core/models/ecm-user.model.md) instance
+returned for a particular person.
+
+See the
+[getPerson](https://github.com/Alfresco/alfresco-js-api/blob/master/src/alfresco-core-rest-api/docs/PeopleApi.md#getPerson)
+method in the Alfresco JS API for more information about the REST calls used by this service.
+
+## See also
+
+-   [People process service](people-process.service.md)
+-   [Ecm user model](../models/ecm-user.model.md)