Update servers.json

[HPOA909]

adds my matrix instance (matrix.2b9t.xyz) in the instances

[austinhuang0131]

README.md says

For adding homeservers, please just edit_includes/matrix_base.md, as other files will be handled automatically.

Regardless, the criteria:

The homeserver name must be a second-level domain (so example.com is acceptable, but matrix.example.com is not). See Synapse documentation.

So it's not eligible

[HPOA909]

For adding homeservers, please just edit_includes/matrix_base.md, as other files will be handled automatically.

How can I add that?

[austinhuang0131]

your server is already not eligible regardless