feat(ins): update migration documentation (#5305)

* docs(ins): migration vmware

* docs(ins): update migration docs

* docs(ins): reorder glossary

* feat(ins): update docs

* feat(ins): update headers

* docs(ins): update wording

* docs(ins): update

* fix(ins): fix typo

* feat(ins): k8s

* Apply suggestions from code review

Co-authored-by: Rowena Jones <[email protected]>

* docs(ins): update doc

* fix(ins): fix indention

* fix(ins): fix formatting

* fix(ins): fix title

* ins(fix): typo

* feat(ins): fix typo

* docs(ins): update repo address

* Update pages/instances/reference-content/migrating-vms-vmware-scaleway.mdx

Co-authored-by: Rowena Jones <[email protected]>

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Co-authored-by: Rowena Jones <[email protected]>

Author: bene2k1