fix: add symlink to npmignore

[jsjoeio]

This PR modifies the publish-npm.sh to add an .npmignore with a line to exclude the symlink node_modules.asar in the npm release.

Why are we doing this?

As you may have see in the 3.11.1 discussion, we had a hiccup publishing the latest version to npm/Homebrew. This is because npm recently made a change to their package requirements, disallowing symlinks in packages.

Fortunately, we don't need the symlink in the npm package release of code-server.

We originally thought we could remove the symlink all together, but after chatting with @code-asher, we realized we still need it for the standalone releases.

Fixing it

We had two options to fix it:

1. copy .gitignore to the npm package before bundling up
2. add .npmignore to the npm package and include the symlink

We opted to go with Option 2 because:

• it's a single line in the publish-npm.sh
• it's a solution that's isolating to the problem (i.e. copying the .gitignore could have unintended consequences)

Test plan

1. make changes
2. build a release, e.g. what we publish on npm
3. try publishing under individual scope (@jsjoeio/code-server)
4. test locally to ensure code-servers works, including ripgrep (used in file search)

Screen.Recording.2021-08-11.at.10.59.36.AM.mov

Fixes N/A

Related:

• Revert "Merge pull request #3935 from cdr/jsjoeio-rm-symlink" #3949
• fix(lib/vscode): remove symlink in npm package #3935

[codecov]

Codecov Report

Merging #3954 (8826cc1) into main (cee0e85) will not change coverage.
The diff coverage is n/a.

❗ Current head 8826cc1 differs from pull request most recent head bffb009. Consider uploading reports for the commit bffb009 to get more accurate results

@@           Coverage Diff           @@
##             main    #3954   +/-   ##
=======================================
  Coverage   63.51%   63.51%           
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  Files          36       36           
  Lines        1872     1872           
  Branches      379      379           
=======================================
  Hits         1189     1189           
  Misses        580      580           
  Partials      103      103           

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[github-actions]

✨ Coder.com for PR #3954 deployed! It will be updated on every commit.

• Host: https://codercom-7effcxge4-codercom.vercel.app/docs/code-server
• Last deploy status: success
• Commit: 8826cc1
• Workflow status: https://github.com/cdr/code-server/actions/runs/1121584057