Convert app examples to use Blitz Toolkit

[siddhsuresh]

As mentioned in #3319, I have used the @blitz/codemod to change the legacy examples to now use the Blitz Toolkit. I have converted the static, store and the plain-js examples.

• [x] plain-js
• [x] static
• [x] store

I have not done the auth and the no-prisma examples as others were assigned to them.

Closes: ?

[changeset-bot[bot]]

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Latest commit: a2c8bcd495e95de642ead3a2c2f75c528b5d4df1

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