Diminish org-roam-mode.

Remove unused commands.

Close seagle0128#142.

Bump version to 5.6.0.

Bump version to 5.5.0.

Bump version to 5.4.0.

[New] Support Debug Adapter Protocol: dap-mode.

See https://github.com/emacs-lsp/dap-mode.

Bump version to 5.2.0.

Ignore lsp buffers in persp-mode.

Merge pull request seagle0128#41 from Ecno92/fix-typos

Fixed typo: restarut --> restart

Use `ccls` instead of `cquery`.