Update app key for BYOP integration and bump version to 1.0.7

Version 1.0.6 - The Quad-Modal Update
We are thrilled to bring the full Pollinations.ai experience to Firefox with our biggest update yet!

🌸 QUAD-MODAL GENERATION:
Experience the power of four modalities in one sidebar. We now fully support:
Image: Flux, Turbo, and Realism models.
Video: Text-to-Video and Image-to-Video with duration controls.
Audio: Text-to-Speech (TTS) and Music generation.
Text: LLM Chat for coding, writing, and research.

✨ NEW FEATURES:
Generation History: Never lose your work again. Your creations are now saved in a persistent local history grid for 24+ hours.
4K Quality Scaling: Need higher resolution? Select your aspect ratio, then use the new 1x-4x Quality Multiplier to boost your output pixel density effortlessly.
Enhanced Customization: Enjoy our new rounded UI with three theme modes (Dark, Mid, Light) and three accent colors (Pink, Blue, and Pollinations Purple).
Native Account Auth: Easily link your Pollinations.ai account for a seamless "Bring Your Own Pollen" (BYOP) experience.

🛠️ IMPROVEMENTS:
Smart Model Updates: The extension now dynamically updates its model registry daily to ensure you always have access to the latest models and voice options.
Enhanced Media Protocol: Uses efficient Media Hashes for better performance and privacy.
Content Safety: Toggleable safety filters for raw/unfiltered generations.

v1.0.5 Release Notes:

✨ Daily Model Updates: The extension now automatically fetches the latest AI models every 24 hours, ensuring you always have access to the newest Pollinations releases.

💎 Premium Indicators: Models are now clearly labeled with a diamond (💎) if they require paid credits.

🛠️ Capability Tags: The model dropdown now explicitly displays what each model supports (e.g., T2I for Text-to-Image, I2V for Image-to-Video) to help you choose the right tool for the job.