eossr upload unique function

• unique function to upload to the ossr regardless of new record or new version
• unit test
• update doc and snippets
• check if the record does not already exist in case record id not passed
• remove previous scripts and snippets

eossr/scripts/tests/test_scripts.py

@@ -52,7 +52,7 @@ def test_help_all_scripts(script):
 
 def test_eossr_upload(tmpdir):
     # file_handle, path_test_filename = tempfile.mkstemp(dir=tmpdir, text=True)
-    path_test_filename = Path(tmpdir).join('test.txt')
+    path_test_filename = Path(tmpdir).joinpath('test.txt')
     Path(path_test_filename).write_text('Hello World')
     published = eossr_upload.upload(zenodo_token=os.getenv('SANDBOX_ZENODO_TOKEN'),
                                     sandbox_flag=True,