Add PureScript & Package Set version info

[JordanMartinez]

Description of the change

Fixes #149. Screenshots below. CI tests (in progress) should prove that checks work:

Normal view:

Mobile view:

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Checklist:

• Added the change to the changelog's "Unreleased" section with a reference to this PR (e.g. "- Made a change (#0 by @)")
• Linked any existing issues or proposals that this pull request should close
• Updated or added relevant documentation
• Added a test for the contribution (if applicable)

[JordanMartinez]

Client CI should fail because the purs version is 0.15.3 when it should be 0.15.2. Once that build fails, I'll check again with the package set version differing.

[JordanMartinez]

Client CI successfully failed with the below error message:

< pursVersion = "v0.15.3"
---
> pursVersion = "v0.15.2"
PureScript and/or package set versions in "client/src/Try/SharedConfig.purs"
do not match the versions extracted from "stack.yaml" and "staging/packages.dhall"
Please run "cd client && npm run updateConfigVersions". CI will fail until then.

Now testing the package set version diff

[JordanMartinez]

Package set version CI check successfully failed with the following error:

< packageSetVersion = "0.15.3-20220531"
---
> packageSetVersion = "0.15.2-20220531"
PureScript and/or package set versions in "client/src/Try/SharedConfig.purs"
do not match the versions extracted from "stack.yaml" and "staging/packages.dhall".
Please run "cd client && npm run updateConfigVersions". CI will fail until then.

[JordanMartinez]

This PR is ready for review.