Add new algorithm "Processing open url or file" (#9248)

docs/user_manual/processing_algs/qgis/filetools.rst

@@ -99,3 +99,40 @@ Python code
  :start-after: **algorithm_code_section**
  :end-before: **end_algorithm_code_section**
 
+
+.. _qgisopenurl:
+
+Open file or URL
+----------------
+Opens files in their default associated application, 
+or URLs in the user's default web browser.
+
+Parameters
+..........
+
+.. list-table::
+ :header-rows: 1
+ :widths: 20 20 20 40
+
+ * - Label
+ - Name
+ - Type
+ - Description
+ * - **URL or file path**
+ - ``URL``
+ - [string]
+ - The URL or path of the file to open.
+
+Outputs
+.......
+
+The algorithm has no output.
+
+Python code
+...........
+
+**Algorithm ID**: ``native:openurl``
+
+.. include:: ../algs_include.rst
+ :start-after: **algorithm_code_section**
+ :end-before: **end_algorithm_code_section**