SQLite parser for iOS Notes file

[CandraTP]

One line description of pull request

Add SQLite parser for iOS Notes file

Description:

We added and modified the following files :

• Added a new parser plugin "ios_notes.py" to plaso/parsers/sqlite_plugins/
• Added "NoteStore.sqlite" file to test_data/
• Added unit test "ios_notes.py" to tests/parsers/sqlite_plugins/
• Modified formatter "ios.yaml" (plaso/data/formatters/ios.yaml)
• Modified "timeliner.yaml" (plaso/data/timeliner.yamll)

Related issue (if applicable): fixes #

Notes:

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This makes sure that the code has appropriate test coverage and conforms to the
Plaso style guide.

One of the maintainers will examine your code, and may request changes. Check off the items below in
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Checklist:

• Automated checks (GitHub Actions, AppVeyor) pass
• No new new dependencies are required or l2tdevtools has been updated
• Reviewer assigned
• Test data has a Plaso compatible license