Draft: Introduce get_data_memoryview() for copy-free access to resource data

[alchzh]

• I have reviewed the OFRAK contributor guide and attest that this pull request is in accordance with it.

One sentence summary of this PR (This should go in the CHANGELOG!)
Introduce get_data_memoryview() for copy-free access to resource data

Link to Related Issue(s)
#551

Please describe the changes in your request.

• Adds get_data_memoryview() to data service and Resource to get a copy-free view of a resource's data
• Changes many built in components to use get_data_memoryview() instead of get_data()
• Changes magic component to pass memoryview as buffer directly

Anyone you think should look at this, specifically?

[alchzh]

In theory this change should give neat memory consumption savings for certain workloads, would be interested in making benchmarks that test that