Export TensorBuffer & TensorDimension to rerun namespace

[Wumpf]

What

What it says on the tin. Makes user code/example a little bit nicer

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[emilk]

Let's do it in Python and Rust as well then, for consistency. It would be nice to just generate this list of exported things btw, but let's not go too crazy.

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Makes user code/example a little bit nicer

Was there anything in the repo that became nicer?

[Wumpf]

Was there anything in the repo that became nicer?

Forgot to link: This is about the todo notes that were added in

• Update for Rerun 0.11 cpp-example-opencv-eigen#18

[Wumpf]

Let's do it in Python and Rust as well then, for consistency.

It is super inconsistent right now which types we export where 🤔

[Wumpf]

rust and cpp are easy to make the same. leaving python out of this