feat: add FeOffset filter (#2361)

# Summary

Continuation of #2316
Introducing new filter `FeOffset`.

## Test Plan

Example app -> Filters -> FeOffset

## Compatibility

| OS      | Implemented |
| ------- | :---------: |
| iOS     |    ✅     |
| Android |    ✅     |

## Checklist

- [x] I have tested this on a device and a simulator
- [x] I added documentation in `README.md`
- [x] I updated the typed files (typescript)

react-native.config.js

@@ -19,6 +19,7 @@ module.exports = {
               'RNSVGDefsComponentDescriptor',
               'RNSVGFeColorMatrixComponentDescriptor',
               'RNSVGFeGaussianBlurComponentDescriptor',
+              'RNSVGFeOffsetComponentDescriptor',
               'RNSVGFilterComponentDescriptor',
               'RNSVGEllipseComponentDescriptor',
               'RNSVGForeignObjectComponentDescriptor',