Add model file name (#594)

* add model_file_name

* Allow developers to configure  model_file_name (only works for decoder-only models for now)

* remove prettier formatting

* merge with 2.15.1

* add model_file_name

* Apply suggestions from code review

---------

Co-authored-by: Joshua Lochner <[email protected]>

Author: NawarA

src/pipelines.js

@@ -3178,6 +3178,7 @@ export async function pipeline(
         cache_dir = null,
         local_files_only = false,
         revision = 'main',
+        model_file_name = null,
     } = {}
 ) {
     // Helper method to construct pipeline
@@ -3205,6 +3206,7 @@ export async function pipeline(
         cache_dir,
         local_files_only,
         revision,
+        model_file_name,
     }
 
     const classes = new Map([