[NODE] Add Lyria documentation

[ShambaC]

Node Config

{
    title: "Lyria AI Music",
    category: "GenAI",
    type: "lyria_node",
    icon: {},
    desc: "Generate AI music using Google Lyria",
    credit: 100,
    inputs: [
        {
            desc: "The flow of the workflow",
            name: "Flow",
            type: "Flow",
        },
        {
            desc: "Music generation prompt",
            name: "Prompt",
            type: "Text",
        },
        {
            desc: "Negative music generation prompt",
            name: "Negative Prompt",
            type: "Text",
        },
        {
            desc: "Seed value for generation (optional)",
            name: "Seed",
            type: "Number",
        },
    ],
    outputs: [
        {
            desc: "Temporary link to the audio",
            name: "Audio Link",
            type: "Text",
        },
    ],
    fields: [
        {
            desc: "Music generation prompt",
            name: "Prompt",
            type: "TextArea",
            value: "Enter text here...",
        },
        {
            desc: "Negative music generation prompt",
            name: "Negative Prompt",
            type: "TextArea",
            value: "Enter text here...",
        },
        {
            desc: "Seed value for generation (optional)",
            name: "Seed",
            type: "Number",
            value: 0,
        },
        {
            desc: "Model to be used for music generation",
            name: "Model",
            type: "select",
            value: "lyria-002",
            options: [
            "lyria-002",       
            ],
        },
    ],
    difficulty: "easy",
    tags: ["lyria", "google", "ai", "music"],
}

Additional Information

Long Description:
Create music via text prompts using Google Lyria

Use Cases:

• Create your own BGM for games, videos, etc.
• Create SFXs for your media

[github-actions]

✅ Documentation processed successfully!

A pull request has been created: #32

The node documentation will be reviewed and merged if everything looks correct.