* Move Extrinsic decoding things to subxt_core and various tidy-ups
* A couple more fixes and fmt
* first pass moving tx logic to subxt_core
* cargo fmt
* fix wasm example
* clippy
* more clippy
* WIP Adding examples and such
* Move storage functionality more fully to subxt_core and nice examples for storage and txs
* Add example for events
* consistify how addresses/payloads are exposed in subxt-core and add runtime API fns
* Add runtime API core example
* fmt
* remove scale-info patch
* Add a little to the top level docs
* swap args around
* clippy
* cargo fmt and fix wasm-example
* doc fixes
* no-std-ise new subxt-core additions
* alloc, not core
* more no-std fixes
* A couple more fixes
* Add back extrinsic decode test