In README.md, clarify the location of chat/ folder for compiling tabnine chat.

[christian-oudard]

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It took me way too long to find this folder. Hope I'll save someone else the time.

[amirbilu]

We can add :TabnineChatBuild command. @aarondill wdyt?

[aarondill]

@amirbilu that could work. what would you expect it to do? just run cargo build?

if we're doing that, should we also (or instead) add a :TabnineBuild command to run dl_binaries?

[amirbilu]

great idea!

[aarondill]

@amirbilu and @christian-oudard, I'm in favor of adding commands like :TabnineChatBuild to make this process easier for users, but I don't think this PR should be merged, as this files location is different depending on the user's package manager.

if you think differently, I can create a (collapsible) section in the readme describing the location for the most popular package managers (Lazy.nvim, packer, vim-plug, native packages, etc).

Please let me know which you think is the better approach here.

[lavabyrd]

Is there anyway this Readme addition could be added in the meantime? It took me far too long to realise I needed to do it from here instead of just cloning the repo and running the cargo build --release command that way

Also for Lazy, the directory would be:

~/.local/share/nvim/lazy/tabnine-nvim/chat