Update README.md

[CaisManai]

Fixing mainly typos

[coderabbitai]

Walkthrough

The proposed changes primarily focus on enhancing the documentation of the Wallet Extension tool. The modifications include updates to the instructions for Docker usage, corrections to the HTTP endpoint descriptions for Obscuro Gateway interaction, and various typo fixes, formatting improvements, and clarifications.

Changes

File Path	Summary
.../walletextension/README.md	Updated Docker instructions, corrected HTTP endpoint descriptions for Obscuro Gateway, and made various typo fixes, formatting improvements, and clarifications.

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Review Status

Actionable comments generated: 0

Commits

Files that changed from the base of the PR and between a25b5b4 and f27e6d9.

Files selected for processing (1)

• tools/walletextension/README.md (2 hunks)

Files skipped from review due to trivial changes (1)

• tools/walletextension/README.md