presenter v0.3.0

[LogCreative]

presenter v0.3.0 provides more features:

• Implementing dual foreground template for displaying both the parent level title and the child level title.
• Documentation uses test results for previewing different templates.
• Misc fixes to the test and the doc.

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This discussion was created from the release presenter v0.3.0.

[LogCreative]

dual foreground template is still unstable, further fixes has been patched.