Issue number: N/A
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issue. -->
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## What is the current behavior?
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This is part of my work for hack day, but I wanted to tackle the
following problems:
1. There is no easy way to have angular, angular-server, vue,
vue-router, react, and react-router automatically recompile when you
make a change. Right now you have to manually run `npm run build` every
time you make a change.
## What is the new behavior?
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this PR. -->
- Adds `npm run build.watch` to let developers easily watch for changes
in each project.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
