[ADF-1549] Added doc files for Processlist library (#2353)

docs/create-process-attachment.component.md

@@ -0,0 +1,40 @@
+# Create Process Attachment component
+
+Displays Upload Component(Drag and Click) to upload the attachment to a specified process instance
+
+![process-create-attachment](../docassets/images/process-create-attachment.png)
+
+<!-- markdown-toc start - Don't edit this section.  npm run toc to generate it-->
+
+<!-- toc -->
+
+- [Basic Usage](#basic-usage)
+  * [Properties](#properties)
+  * [Events](#events)
+
+<!-- tocstop -->
+
+<!-- markdown-toc end -->
+
+## Basic Usage
+
+```html
+<adf-create-process-attachment 
+    [processInstanceId]="YOUR_PROCESS_INSTANCE_ID"
+    (error)="YOUR_CREATE_ATTACHMENT_ERROR_HANDLER"
+    (success)="YOUR_CREATE_ATTACHMENT_SUCCESS_HANDLER">
+</adf-create-process-attachment>
+```
+
+### Properties
+
+| Name | Type | Description |
+| --- | --- | --- |
+| processInstanceId | string | (**required**): The ID of the process instance to display |
+
+### Events
+
+| Name | Description |
+| --- | --- |
+| error | Raised when the error occurred while creating/uploading the attachment by the user from within the component |
+| success | Raised when the attachment created/uploaded successfully from within the component |