As a citizen integrator, I want to be able to manually load a file data source (local file systems or url) in atlas map in order to visualize how the sample data is mapped.

(Migrated from https://github.com/syndesisio/syndesis/issues/2907)

Author: Gary Gaughan
Assignees: unassigned
DoD:

• As a citizen integrator, I can manually load a file data source (local file systems or url) in atlas map in order to visualize how the sample data is mapped. An example is when a sample json data file is loaded the sample data that is mapped is correspondingly displayed in the destination output.
• As a field is mapped the data is updated in the target.
• The data file/url is available for ingest as soon as possible (creation of a connector)
• The feature owner has confirmed one of the following:
  • There is an initial draft of the user doc for this feature.
  • The writer acknowledges receiving enough information from engineering to write the initial draft of the user doc for this feature.

Epic: atlasmap/atlasmap#451
UX issue: atlasmap/atlasmap#455