DATASET: Flood risk data

[alexander-griffen]

Fixes #195

Flood risk data csv produced using qgis, file can be found in shared google drive.

Also, a change to the _place_data template that means that datasets with no actual data in them do not render empty cards

[codecov]

Codecov Report

Merging #313 (007d383) into main (7af7782) will increase coverage by 1.88%.
Report is 1 commits behind head on main.
The diff coverage is n/a.

❗ Current head 007d383 differs from pull request most recent head 90d68db. Consider uploading reports for the commit 90d68db to get more accurate results

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+ Coverage   82.58%   84.47%   +1.88%     
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  Branches      274      254      -20     
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- Hits         2201     2193       -8     
+ Misses        401      340      -61     
  Partials       63       63              

see 3 files with indirect coverage changes

[struan]

Some small suggestions to make the area it applies to clear.

Would be good to have documentation somewhere of how the data was derived and what it means. My assumption here is that for each constituency there's a per $some-sub-area flood risk rating that we are aggregating into these percentages but that's only a guess from how we're turning the data into numbers.

[struan]

This should be England not UK?

[zarino]

This is an issue for a number of datasets that are England or England+Wales only. I figure it’s something we chalk up to fix later, rather than holding up this dataset import.

[struan]

probably worth adding something to these to make it clear it's for england only, maybe just add "in England" after sea, or "for England" after Data.

[zarino]

I’d be tempted to put it into the label – "Flood risk from rivers or sea (England only)"