DSH Web UI plug-in: skill setting part

Key features

• Skill card listPreview the skills that have been registered and installed. Click the card to expand and view the complete content.
• Skill entities are stored directly in the skills folder of their scope: global = /.dsh/skills, workspace = /.dsh/skills, no hidden storage or join points - skills are still ordinary files after uninstalling the plug-in and are discovered by DSH as usual
• Skill statusenable and disable status labels, the same style as the built-in plug-in list
• Skill managementswitch hot enable/disable, delete