Update description text for validation statuses

[robredpath]

@simon-20 after conversations in Bogotá I changed my mind about not updating the text in https://github.com/IATI/validator-web/blob/2de392f3bf667d7442c28da4ed1293354f407059/src/components/FileStatusInfo.vue - it clearly is more confusing than helpful.

I'll make a suggestion below - feedback welcome. @stevieflow @IsabelBirds @siwhitehouse in particular might have views on this.

(with appropriate links before we go live, obviously)

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Validation includes testing the file against the IATI XML Schema and the IATI Rulesets. For more information, see IATI Validation Methodology

Success - file uses the IATI standard with no errors, warnings or advisories Success (with Advisories) - file uses the IATI standard with no errors or warnings, but there are ways that it could be more useful Warning - file passes XML schema validation, but does not pass all IATI rulesets that state that a condition "should" be met Error - file passes XML schema validation, but does not pass all IATI rulesets that state that a condition "must" be met Critical - data does not pass XML schema validation and therefore does not appear in the IATI Datastore and may be missing from other tools

[IsabelBirds]

Current messages for context

• Success - file is valid with no errors of any type, congratulations!
• Warning - data can be more valuable and warnings should be corrected when possible.
• Error - data is hard or impossible to use.
• Critical - data contains significant errors, none or not all of the data can be used by tools or accessed by the IATI Datastore

I think Critical should be made extra clear e.g.

Critical - Data does not pass XML schema validation. Data will not update in the IATI Datastore. Data may be unusable and/or missing from other tools.

[robredpath]

Let's go for:

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This file has been tested against the IATI Standard XML Schema, and the IATI Standard Rulesets. For more information, see the documentation.

The validation statuses are:

Success - No errors, warnings or advisories Success (with Advisories) - No errors or warnings, but there are advisories relating to potential issues with the data Warning - XML Schema validation passes, but not all IATI ruleset rules stating that a condition "should" be met Error - XML schema validation passes, but not all IATI ruleset rules stating that a condition "must" be met Critical - XML schema validation fails. This means that data will not update in the IATI Datastore. Data may be unusable and/or missing from other tools.

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@simon-20