Add AACT provided_documents.txt for downloader input

.gitattributes

@@ -5698,3 +5698,4 @@ documents/10.1056_nejmoa1900906/sap.pdf filter=lfs diff=lfs merge=lfs -text
 documents/10.1056_nejmoa1900906/protocol.pdf filter=lfs diff=lfs merge=lfs -text
 documents/10.1001_jama.2018.6496/sap.pdf filter=lfs diff=lfs merge=lfs -text
 *.pdf filter=lfs diff=lfs merge=lfs -text
+raw_data/**/*.txt filter=lfs diff=lfs merge=lfs -text

raw_data/20260521_clinical_trials_ctgov/provided_documents.txt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:faffa0944014c5b8499cf042ce338b54c2779f65b146ed7b58ad6bfe5672c18d
+size 11189443