Update Changelog.md to reflect release 0.2.1

Changelog.md update for release 0.2.0

Fixes following hyperlinks (OSC 8) not working.

[CI] typofix

Prepare for 0.1.1 release

Changelog.md update

Updates Changeling.md

[terminal] Adds VT sequence `CSI 16 t` to retrieve cell dimension in …

…pixels.

[terminal_view] Fixes rendering colored glyph bitmaps (such as emojis)

[terminal_view] TextRenderer: Fixes using the wrong baseline value fo…

…r fallback fonts.