[ycexiao]

• feat: update macro grammar in accordance with MCP
• docs: update the runmacro documentation
• chore: add news

What problem does this PR address?

Update the grammar of diffpy macro, and remove deprecated pdfadapter.

What should the reviewer(s) do?

[codecov]

Codecov Report

❌ Patch coverage is 96.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 99.52%. Comparing base (2ed464d) to head (94f385a).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
tests/test_runmacro.py	96.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #69      +/-   ##
==========================================
- Coverage   99.69%   99.52%   -0.18%     
==========================================
  Files           8        7       -1     
  Lines         666      633      -33     
==========================================
- Hits          664      630      -34     
- Misses          2        3       +1     

Files with missing lines	Coverage Δ
tests/test_runmacro.py	96.42% <96.00%> (-3.58%)	⬇️

... and 1 file with indirect coverage changes

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[ycexiao]

@sbillinge it's ready for review. The codcov check didn't pass because I removed both pdfadapter.py and test_pdfadapter.py