Benchmark against `unstructured` and `docling`

[AmineDiro]

• Bench and write some doc

[AmineDiro]

unstructured ran in a ProcessPool of 4 with highres:

UNSTRUCTURED:
    Parsing Statistics:
    ==================
    Total Documents Processed: 20
    Total Elements Extracted: 38303
    Average Elements per Document: 1915.15
    Average Processing Time: 65124.20ms
    Median Processing Time: 25282.43ms
    Documents per Second: 0.03701149072375816
    Min Processing Time: 2331.92ms
    Max Processing Time: 512820.16ms

FERRULES: (94x parsing )
    Parsing Statistics:
    ==================
    Total Documents Processed: 20
    Total Pages Processed: 525
    Total Blocks Extracted: 4991
    Average Pages per Document: 26.25
    Average Blocks per Document: 249.55
    Average Blocks per Page: 11.515839964904599
    Average Processing Time: 1920.50ms
    Median Processing Time: 1107.50ms
    Pages per Second: 74.31
    Documents per Second: 2.83
    Min Processing Time: 194.00ms
    Max Processing Time: 6949.00ms