Implement generic readers for HDF5

[cpbrophy]

Borrowed from the generic CSV readers to support HDF5 files, adding the option to reduce the resolution of time fields while reading data in.

[codecov]

Codecov Report

Base: 94.79% // Head: 94.85% // Increases project coverage by +0.05% 🎉

Coverage data is based on head (d406d8e) compared to base (8e2bb62).
Patch coverage: 98.82% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #731      +/-   ##
==========================================
+ Coverage   94.79%   94.85%   +0.05%     
==========================================
  Files         168      169       +1     
  Lines        8190     8275      +85     
  Branches     1560     1581      +21     
==========================================
+ Hits         7764     7849      +85     
+ Misses        317      316       -1     
- Partials      109      110       +1     

Flag	Coverage Δ
integration	69.02% <35.29%> (-0.37%)	⬇️
unittests	92.65% <98.82%> (+0.07%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
stonesoup/reader/hdf5.py	98.82% <98.82%> (ø)
stonesoup/reader/file.py	93.75% <0.00%> (+6.25%)	⬆️

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[sdhiscocks]

Thanks. PR looks great 👍 Just needs one change to include new module in documentation:

diff --git a/docs/source/stonesoup.reader.rst b/docs/source/stonesoup.reader.rst
index ad668da2..b1f96573 100644
--- a/docs/source/stonesoup.reader.rst
+++ b/docs/source/stonesoup.reader.rst
@@ -20,6 +20,11 @@ YAML
 .. automodule:: stonesoup.reader.yaml
     :show-inheritance:
 
+HDF5
+----
+.. automodule:: stonesoup.reader.hdf5
+    :show-inheritance:
+
 AISHub
 ------
 .. automodule:: stonesoup.reader.aishub