update process_ql to produce jpg ql

sen2chain/products.py

@@ -361,7 +361,8 @@ class L2aProduct(Product):
 
     def process_ql(self,
                    reprocess: bool = False,
-                   out_path: pathlib.PosixPath = None
+                   out_path: pathlib.PosixPath = None,
+                   out_resolution: Tuple[int, int] = (100, 100),
                    ) -> "L2aProduct":
         """
         """
@@ -379,10 +380,11 @@ class L2aProduct(Product):
         if ql_path.exists() and not reprocess:
             logger.info("{} Quicklook already exists".format(self.identifier))
         else:
-            create_l2a_ql(b02=self.b02_10m,
-                          b03=self.b03_10m,
-                          b04=self.b04_10m,
-                          out_path=ql_path)
+            create_l2a_ql(b02 = self.b02_10m,
+                          b03 = self.b03_10m,
+                          b04 = self.b04_10m,
+                          out_path = ql_path,
+                          out_resolution = out_resolution)
             self.user_ql = ql_path
 
         return self