feat(lsp): add 'zk.link' LSP command

[psanker]

Allows users to take advantage of the linking mechanism in their editing tools outside of the 'zk.new' context. For example, I made a "ZkInsertLink" command with Neovim that inserts a link at the current cursor location after searching for the desired note. This improves on the current behavior which only autocompletes based on note name, which users may or may not remember.

I looked for a CONTRIBUTING.md but couldn't find. I hope you find this PR useful!

Changes

• Adds 'zk.link' LSP command
• Refactors linking mechanism from executeCommandNew into utility function to be used by both executeCommandNew and executeCommandLink

[mickael-menu]

Thank you for your contribution, this will be very useful!

Would you mind updating the documentation to add the new zk.link command?

[mickael-menu]

Could you also git apply the following patch to update the changelog? I don't have the rights to push on your fork directly. (If you open another PR, you can check the "allow edits from maintainers" checkbox when creating the PR). Thanks!

changelog.patch

[psanker]

Done! Added your suggestions and the changelog patch. As I note in the commits, the bool values were vestigial values, originally there if there was extra information that could have been useful to send back. Turns out there wasn't really.

I also have this LSP command used in my patch to zk-nvim: zk-org/zk-nvim@main...psanker:zk-nvim:better-linking

And I have some example commands in my dotfiles that use zk.link: https://github.com/psanker/dotfiles/blob/37e6f700157b0a3325c7213cf132af3ab57d90b3/nvim/.config/nvim/lua/psanker/zk.lua#L4-L79

Would you be interested in a PR for these on zk-nvim?

[mickael-menu]

Looks like the build fails with the recent changes.

GOARCH=arm64 go build -tags "fts5" -ldflags "-X=main.Version=`git describe --tags --match v[0-9]* 2> /dev/null` -X=main.Build=`git rev-parse --short HEAD`"
# github.com/mickael-menu/zk/internal/adapter/lsp
internal/adapter/lsp/cmd_new.go:93:20: assignment mismatch: 2 variables but linkNote returns 1 value
make: *** [build] Error 2

Would you be interested in a PR for these on zk-nvim?

Sure! That would be useful. Thanks again.

[psanker]

Whoops! Thought I caught all of those refactors. make install now passes cleanly for me.