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- another thing that was missed in #130
- these sets are already done in normalizeOpts, no need to redundantly
  perform them again
  - fortunately this wasn't inconsistent with normalizeOpts, so no
    harm done before this got out

Co-Authored-By: Kotaro Sugawara <[email protected]>

- per bug report, this caused an issue where the @types/jest that was
  installed via `create` would have a version mismatch with the jest
  and jest-related deps used by TSDX
- and ts-jest's installation instructions also say to install
  @types/jest, so it's kind of a peerDep to it

- also move @types/shelljs to devDeps as it's not needed for usage of
  the CLI, it's only used internally

- noImplicitAny, noImplicitThis, alwaysStrict, strictNullChecks,
  strictFunctionTypes, and strictPropertyInitialization are already
  enabled by strict, no need to configure them twice
  - beginners could also be confused by redundant options (like I was
    at one point)
    - and including them may have also unintentionally encouraged folks
      to turn them off

- `ms` dep was removed in df39d02, but not its
  @types/ counterpart
- @types/ms was added in 7033756 which also removed the only
  usage of `ms`
  - and the function that it was in that was removed was unused anyway

- external @types/ are overridden by the package's own internal
  typings, so any @types/ packages on top of that are extraneous
  - and are usually deprecated too; all are in this case
- execa has had its own typedefs since v2
  - the @types/execa package is very dated at v0.9
- ora has had its own typedefs since v3.2
  - so @types/ora v3.2 is just a stub
- ansi-escapes has had its own typedefs since v4
  - @types/ansi-escapes v4 is just a stub
- camelcase has had its own typedefs since v5.2
  - @types/camelcase v5.2 is just a stub
  - pin camelcase to v5.2+ from 5.0 to ensure it's a version with
    internal typings

- ora also had an unnecessary internal re-declaration too
- as did ansi-escapes and camelcase

- clarify why some of these internal declarations/re-declarations
  are necessary
  - I tried removing them because I didn't know why they were needed,
    so this documentation should be helpful

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- it's used in `tsdx create`, definitely not a devDep
  - surprised that this hasn't been reported as a bug before, but
    probably because it's a subdep of another dep so it finds its way
    into most folks' node_modules anyway

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