add sample to replace text in Word document with SAX approach

[mikeebowen]

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[learn-build-service-prod]

Learn Build status updates of commit be8939e:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
docs/word/how-to-replace-text-in-a-word-document-with-sax.md	⚠️Warning		Details
samples/samples.sln	✅Succeeded
samples/word/replace_text_with_sax/cs/Program.cs	✅Succeeded
samples/word/replace_text_with_sax/cs/replace_text_with_sax_cs.csproj	✅Succeeded
samples/word/replace_text_with_sax/vb/Program.vb	✅Succeeded
samples/word/replace_text_with_sax/vb/replace_text_with_sax_vb.vbproj	✅Succeeded

docs/word/how-to-replace-text-in-a-word-document-with-sax.md

• Line 22, Column 36: [Warning: file-not-found - See documentation] Invalid file link: 'structure-of-a-spreadsheetml-document.md'.

For more details, please refer to the build report.

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[learn-build-service-prod]

Learn Build status updates of commit fdb7dd0:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/word/how-to-replace-text-in-a-word-document-with-sax.md	✅Succeeded
samples/samples.sln	✅Succeeded
samples/word/replace_text_with_sax/cs/Program.cs	✅Succeeded
samples/word/replace_text_with_sax/cs/replace_text_with_sax_cs.csproj	✅Succeeded
samples/word/replace_text_with_sax/vb/Program.vb	✅Succeeded
samples/word/replace_text_with_sax/vb/replace_text_with_sax_vb.vbproj	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel