Fix ci deploys

[Ameobea]

What: Fix CI deploys by disabling stash of all untracked files

Why: CI deploys were broken, creating invalid versions that failed to install for users

How:

• Added the skip_cleanup flag in Travis config to prevent this
• Added a .npmignore file to prevent superfluous files from being included in the tarball uploaded to npm

Checklist:

• [ ] Documentation N/A
• [ ] Tests N/A
• [x] Ready to be merged
• [x] Added myself to contributors table

[codecov[bot]]

Codecov Report

Merging #204 into master will not change coverage. The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #204   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          12     12           
  Lines         397    396    -1     
  Branches       96     96           
=====================================
- Hits          397    396    -1

Impacted Files	Coverage Δ
src/get-logger.js	100% <ø> (ø)	:arrow_up:

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[sezna]

I went ahead and tacked on:

deploy:
  on:
    tags: true

to your change. That way it will only deploy on tagged releases. I could have sworn it was already enabled but apparently we are deploying on every branch.

I also got rid of the link that was linking to the docs in the release to fix #203