AccessList in JSONRPC. And enabling github action tests (#255)

* Enabling github action tests
* Fix failing tests
* AccessList to Option in json
* failing rust example removed
* AccessList for jsonrpc
* Tx type as sequence, AccessList as type

.github/workflows/build-test.yml

@@ -33,3 +33,8 @@ jobs:
         with:
           command:              test
           args:                 --locked --all --release --features "json-tests" --verbose --no-run
+      - name:                   Run tests for ${{ matrix.platform }}	
+        uses:                   actions-rs/cargo@v1	
+        with:	
+          command:              test	
+          args:                 --locked --all --release --features "json-tests" --verbose