chore: improve cursor positioning in commit details diff view

mock

hover show blame detail

Update CHANGELOG for version 0.0.6: Fix "Open in GitHub" functionality in diff view

use diff view for commit

Enhance commit details viewing and update README

v0.0.3: Changed keyboard shortcuts to Alt+,

fix vscode shortcut problem

add screenshot

use vscode keyboard shortcut management

ready to upload

support open commit from diff

support peek diff from blame

support copy and blame