Add roadmap (#1086)

* Add roadmap

* correct NFC description

Co-authored-by: gornekich <n.gorbadey@gmail.com>

RoadMap.md

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+# RoadMap
+
+# Where we are (0.x.x branch)
+
+Our goal for 0.x.x branch is to build stable usable apps and API.
+First public release that we support in this branch is 0.43.1. Your device most likely came with this version.
+You can develop applications but keep in mind that API is not fixed yet. 
+
+## What's already implemented
+
+**Applications**
+
+- SubGhz: all most common protocols, RAW for everything else
+- 125kHz RFID: all most common protocols
+- NFC: Mifare Ultralight read/emulate, MiFare Classic and DESFire read, basic EMV, basic NFC-B,F,V
+- Infrared: all most common RC protocols, RAW format for everything else
+- GPIO: UART bridge, basic gpio controls
+- iButton: DS1990, Cyfral, Metacom
+- Bad USB: Full USB Rubber Ducky support, some extras for windows alt codes
+- U2F: Full U2F specification support
+
+**Extras**
+
+- BLE Keyboard
+- Snake game
+
+**System and HAL**
+
+- Furi Core
+- Furi HAL - hardware abstraction layer that 
+
+# Where we going (Version 1)
+
+Main goal for 1.0.0 is to provide first stable version for both Users ans Developers.
+
+## What we plannig to implement for 1.0.0
+
+- Update from SD (work in progress, almost done)
+- Loading applications from SD (tested as PoC, work scheduled for Q2)
+- More protocols (gathering feedback)
+- User documentation (work in progress)
+- FuriCore: replace CMSIS API, replace hard realtime timers, improve stability and performance (work in progress)
+- FuriHal: deep sleep mode, stable API, examples, documentation (work in progress)
+- Application improvments (there are a lot of things that we want to add and improve)
+
+## When it will happen and where I can see progress
+
+Release 1.0.0 most likely will happen around the end of Q3
+
+Development progress can be tracked in our public Miro board:
+
+https://miro.com/app/board/uXjVO_3D6xU=/?moveToWidget=3458764522498020058&cot=14