Added AI Analysis data to audios

If you are subscribed to the Audio AI add-on, the audios endpoint now has a new ai_analysis node containing all the data.

Available data :

• status of analysis
• BPM
• Key
• Emotional Profile
• Energy Level
• Emotional Dynamics
• Predominent Voice Gender
• Voice Presence Profile
• Voiceover Esists ?
• Time Signature
• Description
• Arousal
• Valence
• Representative Segment