Add TokenDissociateTransaction

[nadineloepfe]

Add TokenDissociateTransaction

Extend the Python Hedera SDK to include the TokenDeleteTransaction functionality, enabling users to dissociate tokens programmatically. This task involves creating a transaction class for TokenDissociateTransaction and integrating it into the SDK.

👾 Description of the issue

The TokenDissociateTransaction is a key feature of the Hedera Token Service that allows for the dissociation of tokens that are no longer required. This functionality should be implemented in the Python SDK by leveraging the following resources:

Python Protobufs - TokenDissociateTransaction
Hedera Protobufs - TokenDissociateTransaction
Hedera Docs - Dissociate Tokens from an Account

A good example of an already implemented transaction class is the AccountCreateTransaction, which is based on the crypto_create Protobuf file.

🔑 Key requirements:

• Create a Python class TokenDissociateTransaction in the SDK.
• Use the token_dissociate_pb2 protobuf file for request serialization.
• Ensure the transaction adheres to Hedera's validation rules.
• Write unit tests to validate the implementation and place them in the /test directory
• Write an example script for easy copy-and-paste in projects and add it to the /examples directory.
• Extend the test.py script in the root of this project with the new transaction type.
• Update README.md

📋 Step by step guide to do a contribution

If you have never contributed to an open source project at GitHub, the following step-by-step guide will introduce you to the workflow. More information and concrete samples for shell commands for each step can be found in our CONTRIBUTING.md file.
A more detailed general documentation of the GitHub PR workflow can be found here.

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• Commit your changes: Here, it is needed to add sign-off information to the commit to accept the "Developer Certificate of Origin" (https://developercertificate.org/). More details can be found in our CONTRIBUTING.md
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• Check GitHub Actions: Several GitHub Actions will be triggered automatically for each PR. If a GitHub Action fails and you do not understand the cause of that error do not hesitate to add a comment to the PR and ask the Hiero developer community for support.
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You did it 🎉: We will merge the fix in the develop branch. Thanks for being part of the Hiero community as an open-source contributor ❤️

🤔 Additional Information

If you have any questions, just ask us directly in this issue by adding a comment. You can join our community chat at Discord. A general manual about open-source contributions can be found here.

[exploreriii]

I am interested in working on this issue

[nadineloepfe]

happy to assign this after TokenDeleteTransaction is merged!