feat(pinia-orm)!: Add casts for attributes & strict types

[CodeDredd]

Thoughts

It's over with auto casting ;-) .... after reading and thinking i decided to introduce strict types. So for now if you have defined a string field it will throw a console warning if the type is not correct (I will also make an option i think to throw an error instead of an warning.

But the good news....casting is coming back in form of standard and custom casts:
examples:

    class User extends Model {
      static entity = 'users'

      @Str('') name!: string

      static casts() {
        return {
          name: 'string',
        }
      }

or with decorator

    class User extends Model {
      static entity = 'users'

      @Cast('string')
      @Str('test')
        name!: string
    }

ToDos:

• String Cast & Test
• Boolean Cast & Test
• Number Cast & Test
• Array Cast & Test
• Cast Decorator
• Custom Casts & Test
• Docs

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Related issues: vuex-orm/vuex-orm-next#95

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BREAKING CHANGES: No more auto casting. if still want to have the same behaviour you have to use casts

[codecov-commenter]

Codecov Report

Merging #101 (ebf1321) into master (d6016ad) will increase coverage by 0.01%.
The diff coverage is 100.00%.

❗ Current head ebf1321 differs from pull request most recent head bd6e231. Consider uploading reports for the commit bd6e231 to get more accurate results

@@            Coverage Diff             @@
##           master     #101      +/-   ##
==========================================
+ Coverage   99.51%   99.52%   +0.01%     
==========================================
  Files          51       54       +3     
  Lines        4338     4456     +118     
  Branches      338      350      +12     
==========================================
+ Hits         4317     4435     +118     
  Misses         21       21              

Impacted Files	Coverage Δ
packages/pinia-orm/src/model/Model.ts	100.00% <100.00%> (ø)
...ges/pinia-orm/src/model/attributes/types/String.ts	100.00% <100.00%> (ø)
...kages/pinia-orm/src/model/attributes/types/Type.ts	100.00% <100.00%> (ø)
...ackages/pinia-orm/src/model/casts/CastAttribute.ts	100.00% <100.00%> (ø)
packages/pinia-orm/src/model/casts/StringCast.ts	100.00% <100.00%> (ø)
packages/pinia-orm/src/model/decorators/Cast.ts	100.00% <100.00%> (ø)

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