Closes: BS-3360
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new viewport overlay widget, making it available as part of the workspace and enabling its integration into supported pages.
- **Refactor**
- Updated internal imports and exports to utilize the new viewport overlay widget package.
- Streamlined widget registration and extension mechanisms for improved modularity.
- **Chores**
- Added configuration and project references to support the new viewport overlay widget package in the build system.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced the Affine Foundation package, providing a centralized layer for initializing core UI effects, custom elements, and foundational services.
- Added new foundational store and view extensions to improve core service registration and UI effect setup.
- **Refactor**
- Streamlined and reorganized block, store, and view extension arrays to rely on the new foundation layer, reducing duplication and simplifying extension management.
- Removed redundant or now-centralized services and UI effects from existing modules.
- **Chores**
- Updated configuration files and workspace dependencies to support the new Affine Foundation package.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new pointer graphics module with tools and quick tool integration for edgeless surfaces.
- Added a quick tool button for pointer interactions in edgeless mode.
- Exposed new extension points for pointer graphics and effects.
- **Improvements**
- Integrated pointer graphics as a dependency into related packages.
- Enhanced toolbar context to support additional surface alignment modes.
- Added conditional clipboard configuration registrations for edgeless contexts across multiple block types.
- **Removals**
- Removed legacy tool and effect definitions and related quick tool exports from edgeless components.
- Streamlined extension arrays and removed unused exports for a cleaner codebase.
- Deleted obsolete utility functions and component registrations.
- **Chores**
- Updated workspace and TypeScript project references to include the new pointer graphics module.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
The `ViewportTurboRendererExtension` is now extracted from `@blocksuite/affine-shared` to `@blocksuite/affine-gfx-turbo-renderer` with minimal dependencies, mirroring the gfx text package in #10378.
