Update Svelte integration guide for Svelte 5 and runes#1659

sequba wants to merge 1 commit intofeature/hf-122-framework-integration-guideshandsontable/hyperformula:feature/hf-122-framework-integration-guidesfrom

claude/review-svelte-integration-guide-6gybVhandsontable/hyperformula:claude/review-svelte-integration-guide-6gybVCopy head branch name to clipboard