[809][l2gen] adding georigion file processing/masking

Squashed commit of the following:

commit 939611c8
Merge: b2bc294f dc92967f
Author: Don Shea <don.shea@nasa.gov>
Date:   Mon Apr 14 17:50:26 2025 +0000

    Merge branch 'develop' into 809-l3bin-georegion

commit b2bc294f
Merge: daafc6d1 0a08a686
Author: Don Shea <don.shea@nasa.gov>
Date:   Tue Apr 8 14:13:28 2025 +0000

    Merge branch 'develop' into 809-l3bin-georegion

commit daafc6d1
Merge: 433c4456 00d19a41
Author: tincho <martin.a.montes@nasa.gov>
Date:   Fri Apr 4 17:06:17 2025 +0000

    Merge branch 'develop' into 809-l3bin-georegion

commit 433c4456
Author: Don Shea <don.shea@nasa.gov>
Date:   Thu Mar 20 17:22:45 2025 +0000

    [809] define c and C++ functions for georegion

commit e98f597c
Author: tincho <martin.a.montes@nasa.gov>
Date:   Wed Mar 19 23:47:49 2025 +0000

    [809][oel_util] georegion