Copied the wishlist from StakerV

Original source:
https://github.com/stakervali/grin-wishlist
Before that the list originated from 
mimblewimble/grin-pm#385

Since then extended and rearranged

wishlist.md

@@ -0,0 +1,38 @@
+# grin-wishlist
+
+This wishlist is compiled from [Planning: Post 5.0.0 wish list](https://github.com/mimblewimble/grin-pm/issues/385).
+
+## Criticals / Must Have
+
+1. [PIBD - (faster and more robust syncing strategy)](https://github.com/stakervali/grin-wishlist/issues/6)
+2. [multi-sig*](https://github.com/stakervali/grin-wishlist/issues/2)
+3. Wallet backend improvements
+4. libsecp fork update 
+5. safe cancel*
+
+
+## Important
+
+1. Tor support for nodes*
+2. [light node*](https://github.com/stakervali/grin-wishlist/issues/7)
+3. [testnet exchange/ making it easier for exchange integrations](https://github.com/stakervali/grin-wishlist/issues/4)
+4. payjoins*
+5. [binaries for older systems, older GLIBC or build on low RAM machine < 300MB]()
+6. [invoice payment proofs*](https://github.com/stakervali/grin-wishlist/issues/10)
+7. hardware wallets*
+
+## Fix if time / Nice to Have
+
+1. wallet view key*
+2. [one-time use slatepack addresses for wallet*](https://github.com/stakervali/grin-wishlist/issues/11)
+3. flyclient*
+4. [atomic swaps*](https://github.com/stakervali/grin-wishlist/issues/1)
+5. aggregators*
+6. block archive node support*
+7. [improve compatibility with OSX](https://github.com/stakervali/grin-wishlist/issues/3)
+8. anchors*
+9. bulletproofs+*
+10. NRD activation*
+11. [Display slatepacks as QR codes in CLI](https://github.com/stakervali/grin-wishlist/issues/12)
+
+* == requires RFC to be accepted