Improve 1.0.0 Homey changelog

[jelledelaender]

The generated 1.0.0 Homey changelog is too narrow and only mentions random radio presets. Update .homeychangelog.json so the English 1.0.0 release note reflects the main user-facing changes since 0.4.2: random presets, reconnect reliability after speaker/network interruptions, improved diagnostics, and updated Homey review imagery.

Keep the wording concise enough for the Homey App Store release note.

[jelledelaender]

Implementation is ready for review in PR #30:

• PR: Improve 1.0.0 Homey changelog #30
• Commit: 4afaf5b (Improve 1.0.0 Homey changelog codingmammoth/SoundTouchBridge#29)

What changed:

• Added/kept the Homey app version metadata for 1.0.0.
• Updated .homeychangelog.json with a fuller Homey App Store release note:

New in 1.0: random radio presets, more reliable reconnects after speaker or network changes, clearer playback diagnostics, a delete-time crash fix, and updated SoundTouch speaker imagery.

Verification performed:

• JSON parse check for .homeychangelog.json
• git diff --check
• npm test
• npx homey app validate

Homey validation passed at publish level; the CLI printed the known non-fatal local update-check warning for /Users/jelle/.config.