hubExamples 0.1.0

• Soft dependency hubVis version bumped to 0.1.0 or greater
• Update vignette to use model_out_tbl argument name from hubVis (#36)
• Replace forecast_target_observations.rda with forecast_oracle_output.rda (#38)
• Update documentation for forecast_oracle_output, forecast_outputs, and forecast_target_ts.
• Update the vignette for forecast data to reflect the oracle output terminology.

PRs in this release

• Update Workflows by @zkamvar in #35
• fix broken vignette by @zkamvar in #37
• Update example data to reflect new target data standards by @bsweger in #39
• update CONTRIBUTING.md by @zkamvar in #41
• update doc strings for example data related to forecasts by @elray1 in #42
• Update forecast data vignette by @elray1 in #43
• Increment version number to 0.1.0 by @zkamvar in #44

Full Changelog: v0.0.1...v0.1.0