Function remap

remap(source: string, pattern: string, replacement: string): null | string
Matches a path against a pattern and replaces using the replacement path if matched (case-insensitive)
Parameters
- source: string
  The input path to match
- pattern: string
  The pattern path, may contain *, *+, **, **+ wildcards
- replacement: string
  The replacement path, may contain <1>, <2>, ... for captures
Returns null | string
The replaced path if matched, or null if not matched
Remarks
- Case-insensitive version of path/remap
Example
```
remap('foo/bar/baz', 'FOO/**+/BAZ', 'new/<1>') // returns 'new/bar'
```