BUG links with bad format

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On https://bcda-aps.github.io/bluesky_training/reference/_git-help.html, there are a couple links with broken formatting:

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The example shown has since been rewritten. No such problem exists with that documentation. Similar problems remain in other parts of the documentation, such as:

made available to the `databroker <#databroker>`__ via a shared volume from the

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Other locations may be found locally after building the documentation, then searching the html files:

make -C docs clean html
grep -R ">\`_" ./docs/build/html/

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The problem is that formats cannot be combined in these situations.

[`bluesky_class.yml`](./bluesky_class.yml)

should be replaced by

[bluesky_class.yml](./bluesky_class.yml)

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This command identifies such problem lines in the source code:

grep -R "\`](" ./docs/source