Draft: feat(filehandling): Create a story file reader and writer

closes: #15 (closed)

What are the key features of this change

Created one class for reading stories from a file and one for writing to a file. The format of the story files is found at the root of the project under the name story.paths.example.

Checklist

• Javadoc
• Relevant tests have been created
• Build tool test passed
• Class version is updated where relevant