Fix issue with database writing

In order for YAML to parse projects: as an empty array it needs to be
marked as an empty array with '[]' at the end of the line.
Also, when `data' is saved, it doesn't contain the updated project_list

spyglass.py

@@ -60,7 +60,7 @@ def store_project(project: dict):
 
     if not os.path.exists(database):
         with open(database, 'w') as f:
-            f.write('projects:')
+            f.write('projects: []')
     data = None
     with open(database, 'r') as f:
         data = yaml.safe_load(f)
@@ -74,6 +74,8 @@ def store_project(project: dict):
     else:
         print('Project already exists')
 
+    data = { 'projects' : project_list }
+
     with open(database, 'w') as f:
         yaml.safe_dump(data, f)