bump md_exporter plugin to version 2.3.0

[bowenliang123]

Plugin Submission Form

1. Metadata

Author: bowenliang123

Github Repository: https://github.com/bowenliang123/md_exporter

Dify Marketplace: https://marketplace.dify.ai/plugins/bowenliang123/md_exporter

2. Submission Type

• New plugin submission
• Version update for existing plugin

3. Description

• resolve xlsx generation by skipping irrelevant chars before first table in md_to_xlsx tool

4. Checklist

• I have read and followed the Publish to Dify Marketplace guidelines
• I have read and comply with the Plugin Developer Agreement
• I confirm my plugin works properly on both Dify Community Edition and Cloud Version
• I confirm my plugin has been thoroughly tested for completeness and functionality
• My plugin brings new value to Dify

5. Documentation Checklist

Please confirm that your plugin README includes all necessary information:

• Step-by-step setup instructions
• Detailed usage instructions
• All required APIs and credentials are clearly listed
• Connection requirements and configuration details
• Link to the repository for the plugin source code

6. Privacy Protection Information

Based on Dify Plugin Privacy Protection Guidelines:

Data Collection

Privacy Policy

• I confirm that I have prepared and included a privacy policy in my plugin package based on the Plugin Privacy Protection Guidelines