docs: update README.md

Author: 0xneves

README.md

@@ -17,8 +17,6 @@ People want secure communications, but moving friends to new platforms is nearly
 - **Quantum-resistant** — Post-quantum cryptography (ML-KEM-768) + AES-256-GCM
 - **Wallet-grade security** — MetaMask-style vault with master password protection
 
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 ## Installation
 
 ### From Source (Development)
@@ -52,8 +50,6 @@ People want secure communications, but moving friends to new platforms is nearly
 - Brave
 - Any Chromium-based browser
 
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 ## Quick Start
 
 ### First Time Setup
@@ -97,8 +93,6 @@ Create groups to share keys with multiple people:
 - Fresh install: "Restore from Backup" on first launch
 - Existing vault: Settings → Import to merge keys
 
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 ## Features
 
 ### Secure Compose Mode
@@ -121,8 +115,6 @@ Export/import your entire vault with AES-256 encryption.
 ### Performance Optimized
 Smart viewport scanning — only processes visible content. Limits auto-decryption to prevent spam attacks.
 
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 ## Security
 
 ### Cryptography
@@ -147,8 +139,6 @@ Smart viewport scanning — only processes visible content. Limits auto-decrypti
 - No sender authentication (no signatures yet)
 - Metadata visible to platforms (message length, timing)
 
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 ## Development
 
 ### Scripts
@@ -204,8 +194,6 @@ src/
 npm test
 ```
 
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 ## Authors
 
 - **Guilherme Neves** ([@0xneves](https://github.com/0xneves)) — Creator