Release v1.1.0

[rousso]

Summary

• Migrate CodeMirror v5 → v6 (Why using an already deprecated version of CodeMirror (v5) when a newer (v6) is available? #7)
• Add stop button to cancel running queries (Query stop button is missing #31)
• Fix query options not included in generated URLs (Options not working #32)
• Show data period in footer (Metadata missing (time period) #34)
• Prevent Run Query re-activation during execution (Run query button doesn't get deactivated when it should #37)
• Update Bootstrap to 5.3.8, cors, sparqljs (Update Bootstrap and minor dependencies #38)
• Show query execution time on progress bar (Execution time missing #39)
• Improve query validation with typo suggestions (Query validator needs improvement #40)
• Improve error messages and alert bar behaviour (Error messages are not user friendly and not informative #41)
• Add ePO ontology autocomplete and prefix snippets (Commonly used prefixes missing #44, Auto completion / recommendation missing #45)
• Self-host CodeMirror bundle to eliminate CDN drift
• UI polish: blob downloads, favicon, tooltip dedup, rel=noopener

Test plan

• Verify SPARQL editor loads with autocomplete and syntax highlighting
• Run a SELECT query, confirm execution time and stop button work
• Run a query with invalid syntax, confirm friendly error message
• Verify data period shows in footer
• Verify query options are preserved in generated/shared URLs
• Check no console errors on page load

[victoriobentivogli]

OK to be merged.