Adding dynamic titles and some accessibility fixes + loading spinner and secondary nav fix rui 1282

[fazanki]

This PR includes the following:
Feat: Page titles: Introducing dynamic titles
Fix: Web accessibility & Secondary nav fix rui 1282
Feat: introducing spinner

Before creating a pull request make sure that:

• commit messages are meaningful and follow good commit message guidelines
• README and other documentation has been updated / added (if needed)
• tests have been updated / new tests has been added (if needed)

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[ ] No

[frontr-uk]

I would have split up this PR into 3 Pr's, but I added the Pr description:

This PR includes the following:
Feat: Page titles: Introducing dynamic titles
Fix: Web accessibility & Secondary nav fix rui 1282
Feat: introducing spinner

[frontr-uk]

Semantic Commit Messages and Pr titlesmake it easier to read.
Here is a link: https://seesparkbox.com/foundry/semantic_commit_messages

They got great examples:

chore: add Oyster build script
docs: explain hat wobble
feat: add beta sequence
fix: remove broken confirmation message
refactor: share logic between 4d3d3d3 and flarhgunnstow
style: convert tabs to spaces
test: ensure Tayne retains clothing

[fazanki]

yeah that was a good idea adding the good PR comments