Ignore generated docx/pdf/xlsx exports; regenerate projects_list.md

Regeneration picks up the newly added GitHub repo link for the lung
ultrasound project synced from origin.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Author: tkapur

.gitignore

@@ -6,3 +6,8 @@ Gemfile.lock
 
 .idea/
 .vscode/
+
+PW45_2026_Boston/projects_list.docx
+PW45_2026_Boston/projects_list.pdf
+PW45_2026_Boston/projects_table.xlsx
+PW41_2024_MIT/Projects/TerminologiesForSulciAndBasalGangliaEpistim3DSlicerExtension/*.png

PW45_2026_Boston/projects_list.md

@@ -34,7 +34,7 @@ SlicerTMS is a 3DSlicer module for patient-specific transcranial stimulation. It
  </br>
 
 
-3. **[AI model development for lung ultrasound analysis](https://projectweek.na-mic.org/PW45_2026_Boston/Projects/AiModelDevelopmentForLungUltrasoundAnalysis/)** (Alexandre Banks Gadbois @ BWH, +) (no github repo yet)
+3. **[AI model development for lung ultrasound analysis](https://projectweek.na-mic.org/PW45_2026_Boston/Projects/AiModelDevelopmentForLungUltrasoundAnalysis/)** (Alexandre Banks Gadbois @ BWH, +) ([AI4Ultrasound/ai4ultrasound-keypoint-detect.git](https://github.com/AI4Ultrasound/ai4ultrasound-keypoint-detect.git))
 
 <a href="https://projectweek.na-mic.org/PW45_2026_Boston/Projects/AiModelDevelopmentForLungUltrasoundAnalysis/"><img src="https://github.com/user-attachments/assets/22010591-075d-4910-9e31-184b91568813" style="max-width:480px;width:100%"></a>