[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/components/comments.component.md

@@ -0,0 +1,45 @@
+---
+Title: Comments Component
+Added: v2.0.0
+Status: Active
+---
+
+# [Comments Component](../../../lib/core/comments/comments.component.ts "Defined in comments.component.ts")
+
+Displays comments from users involved in a specified task or content and allows an involved user to add a comment to a task or a content.
+
+![adf-comments](../../docassets/images/adf-comments.png)
+
+## Basic Usage Task
+
+```html
+<adf-comments
+    [taskId]="YOUR_TASK_ID"
+    [readOnly]="YOUR_READ_ONLY_FLAG">
+</adf-comments>
+```
+
+## Basic Usage Content
+
+```html
+<adf-comments
+    [nodeId]="YOUR_NODE_ID"
+    [readOnly]="YOUR_READ_ONLY_FLAG">
+</adf-comments>
+```
+
+## Class members
+
+### Properties
+
+| Name | Type | Default value | Description |
+| ---- | ---- | ------------- | ----------- |
+| nodeId | `string` |  | The numeric ID of the node. |
+| readOnly | `boolean` | false | Are the comments read only? |
+| taskId | `string` |  | The numeric ID of the task. |
+
+### Events
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| error | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<any>` | Emitted when an error occurs while displaying/adding a comment. |