feat: add ARC22 and ARC28 interfaces for ABI contracts and methods

[joe-p]

Adds ARC28 (events) and ARC22 (readonly) to ABI-related interfaces

[pbennett]

Just chiming in to say this would be nice to get in - it's preventing me from cleanly including ARC28 events in my tealscript contracts. The generated json blocks tests from being run because it doesn't match the schema defined in the sdk.

[jasonpaulos]

You're still missing readonly

[jasonpaulos]

Also it looks like this failing in cucumber tests:

13) Scenario: Serialize Contract into json # tests/cucumber/features/unit/abijson.feature:97
    ✔ When I create the Method object from method signature "add(uint32,uint32)uint32" # tests/cucumber/steps/index.js:510
    ✔ And I create a Contract object from the Method object with name "ExampleContract" and description "This is an example contract" # tests/cucumber/steps/index.js:510
    ✔ And I set the Contract's appID to 1234 for the network "wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=" # tests/cucumber/steps/index.js:510
    ✔ And I set the Contract's appID to 5678 for the network "SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI=" # tests/cucumber/steps/index.js:510
    ✔ And I serialize the Contract object into json # tests/cucumber/steps/index.js:510
    ✖ Then the produced json should equal "contract.json" loaded from "abi_responsejsons" # tests/cucumber/steps/index.js:579
        AssertionError [ERR_ASSERTION]: Expected values to be strictly deep-equal:
        + actual - expected ... Lines skipped

          {
            desc: 'This is an example contract',
        +   events: [],
        +   methods: [
        +     {
        +       args: [
        +         {
        +           type: 'uint32'
        +         },
        +         {
        +           type: 'uint32'
        +         }
        +       ],
        +       events: [],
        -   methods: [
        -     {
        -       args: [
        -         {
        -           type: 'uint32'
        -         },
        -         {
        -           type: 'uint32'
        -         }
        -       ],
                name: 'add',
        ...
              }
            }
          }

Perhaps when converting to JSON, if no events are present, that field should be omitted from the result? Since these tests run on every SDK, they're a bit difficult to deal with.