Add support for font glyphsets to fix non-Unicode character rendering #41
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This PR addresses the issue discussed in issue #36, where accentuated letters and other non-ASCII characters are not displayed correctly on the ESP32-S3-Box-3. Following changes in PR #34, these characters now render as black rectangles.
The implementation adds support for defining glyphsets in the font configuration, allowing users to specify required character sets explicitly. This resolves rendering issues for extended Latin and other Unicode characters when using Google Fonts.