v3.8.0 Fixing iframes and image resolution

What's Changed

• Fix scrollbar flickering by @SarahG-579462 in #217
• feat: New option to filter the URLs to be inlined by @kamranayub in #220
• Fix iframe and image resolution by @IDisposable in #228
• Code cleanup pass by @IDisposable in #229

New Contributors

• @SarahG-579462 made their first contribution in #217
• @kamranayub made their first contribution in #220

Full Changelog: v3.7.1...v3.8.0