PR for v1.3

[valentinfrlch]

Blueprint:

• Added new configuration options such as remember and preview_mode to blueprints/event_summary.yaml. [1] [2]
• Removed frigate_url and updated related logic for Frigate mode. [1] [2]
• Adjusted conditions and actions to support new features and improve logic. [1] [2] [3]

Component:

• Added new constants and imports to support event remembering feature in custom_components/llmvision/__init__.py. [1] [2]
• Implemented logic to handle event remembering, including setting up and unloading calendar entries. [1] [2] [3] [4] [5] [6]
• Added _remember function to store event details in a semantic index.
• Updated service call data structure to include new fields like remember and expose_images. [1] [2]
• Modified image and video analyzers to utilize the new _remember function.