feat: Add oafp function for executing oafp with provided map in JSON …

…or SLON string format

src/docs/FILTERS.md

@@ -115,6 +115,7 @@ Using the same unix “pipe” mechanism it’s possible to apply different cate
 | not_null(any) | base | Returns the non-null value between the provided fields | [].not_null(a,b) |
 | now(diff) | 20240302 | Returns the current unix timestamp number with a negative diff (or positive for dates in the future) |
 | nvl(field, value) | 20240216 | Returns the provided value in case a field value is undefined or null | nvl(nullField, 'n/a') |
+| oafp(str) | 20240812 | Executes an oafp (inception) with the provided map in JSON or SLON string format | oafp('(file:data.json)') |
 | opath(str) | 20240801 | Inception function to ahver other path filters in 'str' applied over the original object before current transformations | files[].{ name: filename, path: opath('originalPath') } | 
 | path(obj, str) | 20240801 | Inception function to have other path filters in 'str' applied over 'obj' | path(@, 'filename') |
 | progress(value, max, min, size, indicator, space) | 20240712 | Returns a progress string to represent a value, between a max and a min, using an indicator char and space chars within a size limit | { val: v, p: progress(v, 100, 0, 10, __, __) } |