[PJK]

Summary

Fixes 14 typos, grammar issues, and broken links across 11 files:

• getting_started.rst: "If you include" -> "If your include"; "the path path" -> "the path"
• tutorial.rst: "Examples of of" -> "Examples of"
• decoding.rst: Legend abbreviation "PSD" -> "PDS" to match diagram
• item_reference_counting.rst: "gives you with" -> "gives you"
• internal.rst: "there decoding" -> "the decoding"; "Used both by both" -> "Used by both"
• type_5_maps.rst: "Map are" -> "Maps are"
• type_6_tags.rst: "Tag are" -> "Tags are"
• type_7_floats_ctrls.rst: Fix missing _ in RST link for float; remove extra ) in Signaling NaN URL
• standard_conformance.rst: Fix missing _ in RST link for float
• development.rst: Convert Markdown link to RST syntax
• README.md: "an proprietary" -> "and proprietary"; "using using" -> "using"

Test plan

• All 26 tests pass
• Visual review of all changes

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (4813d51) to head (aaa07ed).
⚠️ Report is 24 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master      #400      +/-   ##
===========================================
+ Coverage   99.87%   100.00%   +0.12%     
===========================================
  Files          20        20              
  Lines        1663      1663              
===========================================
+ Hits         1661      1663       +2     
+ Misses          2         0       -2     

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