Dinfra application, updated payment destination. (#1884)

* DINFRA Application

DINFRA, decentralized infrastructure, is substrate orchestrated infrastructure, a decentralized alternative to public clouds.

* Additional Technical Detail

Added specific technologies to deliverables in the plan.

* Time estimation in more detail/context

As discussed, we are estimating  4-6 months in total.
The development of the milestones will be forward by pitching ecosystem players and helping test and prof-concept DINFRA with their own infrastructure.
We are assuming that there may be some kind of iteration of the deliverables along the process.

* Update DINFRA.md

* Update DINFRA.md

Updated payment options to FIAT

applications/DINFRA.md

@@ -1,7 +1,7 @@
 # DINFRA
 
 - **Team Name:** Valletech AB
-- **Payment Address:** bc1q9rw6km4h7fjgwxv5vwdxhzsnl8s9c8ryfhsu4a (BTC)
+- **Payment Address:** FIAT
 - **[Level](https://github.com/w3f/Grants-Program/tree/master#level_slider-levels):** 3
 
 ## Project Overview :page_facing_up: