Initial commit: trueref v0.1.0-SNAPSHOT

Java 21 / Spring Boot 3.5.3 multi-module Maven project.
Hybrid BM25+HNSW search with RRF, cross-encoder reranker,
ONNX Runtime 1.22.0 (CPU + CUDA 12 GPU variants).

.gitignore

@@ -0,0 +1,30 @@
+target/
+build/
+out/
+.idea/
+.vscode/
+*.iml
+*.ipr
+*.iws
+.DS_Store
+
+# Maven
+.mvn/wrapper/maven-wrapper.jar
+
+# trueref runtime data (models, DB, index — too large / machine-specific)
+data/
+data-onnx-smoke/
+logs/
+
+# cuDNN and other large native runtime libraries
+runtime/
+
+# JVM crash dumps
+hs_err_pid*.log
+core.*
+
+# Frontend
+trueref-frontend/web/node_modules/
+trueref-frontend/web/build/
+trueref-frontend/web/.svelte-kit/
+node_modules/