Upgrade guide (to current) (#1194)

* Upgrade guide (to current)

* ClassOf

* JSON example

* s/srml/interfaces/

* Typos

* Update UPGRADING.md

Co-Authored-By: Amaury Martiny <amaury.martiny@protonmail.com>

* Add copy-to-apps script

* Properly extend exstended derive types

* Round out UPGRADING

* Version in CHANGELOG

* Typos

* Update UPGRADING.md

* Update CHANGELOG

* Bump common

* 0.90.0-beta.0

* Cleanups

* Split 0.82 & 0.90

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update UPGRADING.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update CHANGELOG.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Update CHANGELOG.md

Co-Authored-By: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>

* Typo

* findFunction -> api.findCall

packages/type-jsonrpc/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/jsonrpc",
-  "version": "0.82.0-beta.96",
+  "version": "0.90.0-beta.0",
   "description": "Method definitions for the Polkadot RPC layer",
   "main": "index.js",
   "publishConfig": {