feat: add Salhani to mss. overview

See merge request !316

Resolve "Fix broken links on manuscript overview page"

Closes #298

See merge request !317

Add neo aramaic sogdian to mss overview

See merge request !318

Resolve "variant annotations: add witness keys (labeling)"

Closes #297

See merge request !314

Merge: Add index to search results

See merge request !315

Co-Authored-By: @tillmann.doenicke

This will load the collection and manifest via API to calculate the index position of hits.

Co-Authored-By: @tillmann.doenicke

Merge branch '296-structure-endpoint-exerr-error-the-actual-return-type-does-not-match' into 'develop'

Resolve "structure endpoint: exerr:ERROR The actual return type does not match"

Closes #296

See merge request !313

Adjust ara karsh collation

See merge request !312

feat: style main headings

See merge request !311

feat: mark Kashuni mss in tree

See merge request !310

refine Sedra presentation

See merge request !307