Update README, correct outdated 'usage' instructions, fix: #100#101

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singlerider wants to merge 3 commits intotkhq:mainfrom

singlerider:update-readme

Commits on Jan 12, 2026

Update README, correct outdated 'usage' instructions, fix: #100
singlerider
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Update README, add example for creating wallet and signing transactions
singlerider
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Update README, correct syntax hint for signing from json to sh
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