[bug]: Load JS resources from root

[mothership-nik-wolf]

Description

JS resources now get loaded from root of the application.

Related Issue

Closes #1256 .

Verification Steps

Verification can be done by following the steps described in the issue. The page should now load correctly.

How Have YOU Tested this?

see verification steps

Screenshots / Screen Captures (if appropriate):

Proposed Labels for Change Type/Package

• major (e.g x.0.0 - a breaking change)
• minor (e.g 0.x.0 - a backwards compatible addition)
• patch (e.g 0.0.x - a bug fix)

Checklist:

• I have updated the documentation accordingly, if necessary.
• I have added tests to cover my changes, if necessary.

[magento-cicd2]

All committers have signed the CLA.

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[sirugh]

These values are provided by the asset-manifest which is created by the webpack asset manifest plugin. This plugin provides a publicPath prop which we should be using to prepend the forward slash rather than hardcoding in the templates.

[sirugh]

We should double check in a productionized env but this works locally.