Update resource gallery (#468)

* Update update-resource-gallery.yaml

Correct the fact that json file data being dumped into yaml file with incorrect format

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Simple line break added

* don't overwrite yaml data

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: Orhan Eroglu <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/workflows/update-resource-gallery.yaml

@@ -95,10 +95,15 @@ jobs:
           resource_gallery_file = 'portal/resource_gallery.yaml'
 
           with open(submission_file, 'r') as file:
-              data = json.load(file)
+              new_data = json.load(file)
+
+          with open(resource_gallery_file, 'r') as yaml_file:
+              existing_data = yaml.load(yaml_file) or []
+
+          existing_data.append(new_data)
 
           with open(resource_gallery_file, 'w') as yaml_file:
-              yaml.dump(data, yaml_file)
+              yaml.dump(existing_data, yaml_file, default_flow_style=False)
 
       - name: Run pre-commit hooks
         run: |