Mermaid Export Fit 1.0.1

Corrective release for Obsidian Community automated review feedback.

Fixes:

• Updates manifest description to avoid redundant directory-context wording.
• Removes CSS !important usage.
• Removes print CSS that triggered a partial browser-support warning in Obsidian 1.4.5.

Assets:

• main.js
• manifest.json
• styles.css