support more array types, add `imshow`

[tlambert03]

• fixes some bugs
• adds imshow() convenience
• adds ndv.data convenience
• adds/extends support for more array types
• tests all examples

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 91.95402% with 21 lines in your changes missing coverage. Please review.

Project coverage is 69.14%. Comparing base (1b07c50) to head (2f3e4fd). Report is 2 commits behind head on main.

:exclamation: Current head 2f3e4fd differs from pull request most recent head b626d4b

Please upload reports for the commit b626d4b to get more accurate results.

Files	Patch %	Lines
src/ndv/viewer/_data_wrapper.py	93.98%	11 Missing :warning:
src/ndv/viewer/_viewer.py	63.15%	7 Missing :warning:
src/ndv/util.py	90.90%	2 Missing :warning:
src/ndv/data.py	96.42%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3 +/- ## ========================================== + Coverage 62.01% 69.14% +7.13% ========================================== Files 10 12 +2 Lines 1103 1157 +54 ========================================== + Hits 684 800 +116 + Misses 419 357 -62 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.