rename accountURL for consistency

[ptahmose]

Description

• fixed documentation to state the same string as expected in code
• add error handling to AzureBlobInputStream::Read method

Fixes #118

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

locally

Checklist:

• I followed the Contributing Guidelines.
• I did a self-review.
• I commented my code, particularly in hard-to-understand areas.
• I updated the documentation.
• I updated the version of libCZI following Versioning of libCZI depending on the type of change
  • Bug fix -> PATCH
  • New feature -> MINOR
  • Breaking change -> MAJOR
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 65.47%. Comparing base (6fb48d5) to head (9835acf).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
Src/libCZI/StreamsLib/azureblobinputstream.cpp	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #119      +/-   ##
==========================================
- Coverage   65.50%   65.47%   -0.04%     
==========================================
  Files          86       86              
  Lines       10893    10898       +5     
==========================================
  Hits         7136     7136              
- Misses       3757     3762       +5     

Flag	Coverage Δ
windows-latest	65.47% <0.00%> (-0.04%)	⬇️

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