docs: expand Android section and professionalize TEE compatibility doc

[forkline-bot]

Summary

• Expanded the Android section in the README with details on Password Store (Passkey Edition) as the Android companion app, covering credential provider capabilities, full interoperability between passless and the Android app, the shared encrypted CBOR credential format, and download links (GitHub Releases + F-Droid).
• Professionalized docs/TEE_HARDWARE_COMPATIBILITY.md: removed emoji status indicators and informal language (TL;DR, checkmarks), tightened prose, and consolidated repetitive sections.

Resolves: #363

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[forkline-bot]

Maintainability Review

Priority: high
Category: bug
Decision: apply now
Location: docs/TEE_HARDWARE_COMPATIBILITY.md:44
Problem: The vulnerability name "ÆPIC" was incorrectly converted to "AEPI" when removing special characters. The correct name is "AEPIC" (Architectural Exploit for Private Information Leakage).
Recommended action: Fix typo
Why it is worth it: Technical accuracy in security documentation is critical. Incorrect vulnerability names undermine credibility and could confuse readers researching the topic.
Risk / scope: Minimal - single character fix in documentation
Estimated impact: Corrects technical accuracy

Applied: Fixed in commit a7c5eb1

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Overall Assessment

The documentation changes are well-executed:

• README Android section is clear, well-structured, and provides useful interoperability details
• TEE compatibility doc successfully professionalized tone while maintaining technical accuracy
• Consolidation of repetitive sections improves readability
• Table formatting is consistent and clean

No other maintainability issues identified. The changes provide clear long-term value through improved clarity and professionalism without introducing churn or risk.