v0.1.3 — Basic Library Additions & Variable Table Editing

Added Clock block and Trigonometric block (including multiple algorithm variants), improved variable-table editing with validation feedback, optimized line/block interactions, and completed integration support for the new blocks.

Added

• Clock block: Clock block with configurable period.
• Trigonometric Function: Trigonometric Function block (sin/cos/tan + inverse + hyperbolic variants).
• Variable-table: Variable-table sheet editing with validation, plus a Snackbar for feedback.

Changed

• Interactions: Improved line/block interactions (hover/waypoints/control-hints handling).
• Blocks Adaptation: Updated registry/i18n to support the new blocks.