[Main] : Message application development

[NamalSanjaya]

Since the shape of the Message application is not finalized this section is empty. Once the Message application direction is finalized, complete this sections.

[NamalSanjaya]

We can use following completely free & open source solution as well for the first version of the product.

1. Rocket chat
2. MatterMost
3. Zuilp
4. Matrix/RIOT