ref: https://app.codecov.io/gh/yamlresume/yamlresume

After sunset all enums, the prod bundle size got reduced by 7%:

before:

```
ESM dist/index.js     81.78 KB
ESM dist/index.js.map 284.06 KB
ESM ⚡️ Build success in 133ms
DTS Build start
DTS ⚡️ Build success in 1299ms
DTS dist/index.d.ts 74.01 KB
```

after:

```
ESM dist/index.js     74.29 KB
ESM dist/index.js.map 253.34 KB
ESM ⚡️ Build success in 126ms
DTS Build start
DTS ⚡️ Build success in 1259ms
DTS dist/index.d.ts 68.09 KB
```

non prod bundle also got reduced:

before:

```
ESM dist/index.js 151.01 KB
ESM ⚡️ Build success in 100ms
```

after:

```
ESM dist/index.js 107.34 KB
ESM ⚡️ Build success in 83ms
```

ref: https://www.youtube.com/watch?v=jjMbPt_H3RQ

TiptapParser right now is only used by PPResume (https://ppresume.com),
which should be moved out from yamlresume/core package.

TODO: enable tsc strict mode

YAMLResume provides translations for some predefined list of options,
and if the option is not in the list, then we should pass through and
return the original option instead of `undefined` to the user when
translating.

Issue: #31