Fs table columns

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[ric-v]

This pull request includes several updates to the package.json file for the postgres-explorer project. The changes involve updating the package version, modifying repository URLs, and adding new commands and MIME types.

Version and repository updates:

• Updated the package version from 0.0.2 to 0.0.4.
• Changed the repository URL, bugs URL, and homepage to new URLs under the dev-asterix GitHub organization.

Configuration updates:

• Added mimeTypes for the postgres-query-renderer entrypoint.
• Added new commands postgres-explorer.deleteConnection and postgresExplorer.openColumnNotebook to the activation events.

Dependency updates:

• Updated the vscode engine version to ^1.80.0 and the node engine version to >=18.0.0.
• Updated the @types/vscode dev dependency to ^1.80.0.