Upload app.jpeg pictures and modify sort_vector

[jinleevv]

Description

• I've included a concise description of what each node does

Styleguide

• My node adheres to the styleguide for Flojoy nodes

Docs

• I've submitted a PR for a documentation page for the new node(s) that contains usage examples (see docs.flojoy.io)

Testing

• This PR includes a unit test (example here and/or ideally a screenshot of the node's output on an example app.

[linear]

NOD-70 Basic nodes

• Sort 1D Array [Done]
• Sort 2D Array [Done]
• Reverse 1D Array [Done]
• Remove Duplicates [Done]
• Shuffle 1D Array [Done]
• Shuffle 2D Array [Done]
• Decimate 1D Array [Done]
• Interleave 1D Array [Done]
• Split 1D Array [Done]