:books: Merge install doc update (#490)
:books: Merge install doc update (#490)

Fix the installation command.
Reword various.

* Format installation.md with prettier
* Re-format code blocks in installation.md
* Fix installation instructions
* Fix typo in docs
* Reword installation docs

 docs/website/content/docs/installation.md | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

ANZ-bank/Sysl,ANZ-bank/Sysl