feat(HIP-991): Permissionless revenue topics

[0xivanov]

This HIP introduces new transactions and updates to existing transactions in the consensus node software. SDKs will need to support these new transactions and updates to existing ones so that developers can take advantage of the new features.

• Implementation
• Unit tests
• E2E tests
• Example

Fixes: #1082

[codecov]

Codecov Report

Attention: Patch coverage is 87.80488% with 35 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
sdk/topic_info.go	46.66%	16 Missing ⚠️
sdk/topic_update_transaction.go	90.36%	8 Missing ⚠️
sdk/custom_fee_limit.go	88.88%	4 Missing and 2 partials ⚠️
sdk/custom_fixed_fee.go	86.36%	2 Missing and 1 partial ⚠️
sdk/custom_royalty_fee.go	0.00%	2 Missing ⚠️

Files with missing lines	Coverage Δ
sdk/topic_create_transaction.go	98.45% <100.00%> (+0.89%)	⬆️
sdk/topic_message_submit_transaction.go	82.17% <100.00%> (+2.17%)	⬆️
sdk/transaction.go	69.77% <100.00%> (+0.26%)	⬆️
sdk/custom_royalty_fee.go	55.40% <0.00%> (ø)
sdk/custom_fixed_fee.go	72.38% <86.36%> (+8.01%)	⬆️
sdk/custom_fee_limit.go	88.88% <88.88%> (ø)
sdk/topic_update_transaction.go	86.77% <90.36%> (+1.14%)	⬆️
sdk/topic_info.go	39.13% <46.66%> (+4.20%)	⬆️

... and 4 files with indirect coverage changes