Refactors and issues fixes and customer login using OTP and marketing…

… module added.o

Please refer to CHANGELOG-1.1.md for more information regarding updat…

…es included in v1.1.3.1 minor version release.

Please refer to CHANGELOG-1.1.md for more information regarding updat…

…es included in v1.1.3 minor version release.

Please refer to CHANGELOG-1.1.md for more information regarding updat…

…es included in v1.1.2.1 minor version release.

Please refer to CHANGELOG-1.1.md for more information regarding updat…

…es included in v1.1.2 minor version release.

Please refer to CHANGELOG-1.1.md for more information regarding updat…

…es included in v1.1.1 minor version release.

Add CHANGELOG-1.1.md

 * **Misc. Updates:**

      * Compatibility with PHP 8.
      * Filter option on customer side with ticket listing.

    * **Bug. Fixes:**
        * Removed CC/BCC option for collaborator reply.
        * Preview option fixed for Article.
        * login issue on customer login is timestamp not set on branding.

Missing Merege updates correction.

* **Bug. Fixes:**

        * **Issue #118:** date icon should be appear in broadcast message.
        * **Issue #135:** customer is not able to add reply on ticket.

    * **Misc. Updates:**
        * Reply rosolved from customer end if added CC and BCC in reply.
        * Date icon added for broadcast message.
        * Profile picture remove option added.
        * Default image show in Tickets thread when removed profile picture.
        * Added kudos feature.