3. Fetch list of all images, files and import them into Media Library
4. Update all pages with new references of the images.
-REFERENCES:
+##REFERENCES:
For Wordpress Plugin Development
https://developer.wordpress.org/plugins/the-basics/header-requirements/
+
+##Importing pages
+https://codex.wordpress.org/Function_Reference/wp_insert_post
+```
+IMPORTANT: Setting a value for $post['ID'] WILL NOT create a post with that ID number. Setting this value will cause the function to update the post with that ID number with the other values specified in $post. In short, to insert a new post, $post['ID'] must be blank or not set at all.
+
+The contents of the post array can depend on how much (or little) you want to trust the defaults. Here is a list with a short description of all the keys you can set for a post:
+
+$post = array(
+ 'ID' => [ <post id> ] // Are you updating an existing post?
+ 'post_content' => [ <string> ] // The full text of the post.
+ 'post_name' => [ <string> ] // The name (slug) for your post
+ 'post_title' => [ <string> ] // The title of your post.
+ 'post_status' => [ 'draft' | 'publish' | 'pending'| 'future' | 'private' | custom registered status ] // Default 'draft'.
+ 'post_type' => [ 'post' | 'page' | 'link' | 'nav_menu_item' | custom post type ] // Default 'post'.
+ 'post_author' => [ <user ID> ] // The user ID number of the author. Default is the current user ID.
+ 'ping_status' => [ 'closed' | 'open' ] // Pingbacks or trackbacks allowed. Default is the option 'default_ping_status'.
+ 'post_parent' => [ <post ID> ] // Sets the parent of the new post, if any. Default 0.
+ 'menu_order' => [ <order> ] // If new post is a page, sets the order in which it should appear in supported menus. Default 0.
+ 'to_ping' => // Space or carriage return-separated list of URLs to ping. Default empty string.
+ 'pinged' => // Space or carriage return-separated list of URLs that have been pinged. Default empty string.
+ 'post_password' => [ <string> ] // Password for post, if any. Default empty string.
+ 'guid' => // Skip this and let Wordpress handle it, usually.
+ 'post_content_filtered' => // Skip this and let Wordpress handle it, usually.
+ 'post_excerpt' => [ <string> ] // For all your post excerpt needs.
+ 'post_date' => [ Y-m-d H:i:s ] // The time post was made.
+ 'post_date_gmt' => [ Y-m-d H:i:s ] // The time post was made, in GMT.
+ 'comment_status' => [ 'closed' | 'open' ] // Default is the option 'default_comment_status', or 'closed'.
+ 'post_category' => [ array(<category id>, ...) ] // Default empty.
+ 'tags_input' => [ '<tag>, <tag>, ...' | array ] // Default empty.
+ 'tax_input' => [ array( <taxonomy> => <array | string>, <taxonomy_other> => <array | string> ) ] // For custom taxonomies. Default empty.
+ 'page_template' => [ <string> ] // Requires name of template file, eg template.php. Default empty.
+);
+```