feat(template-rectification): add template-based document rectifier

.gitattributes

@@ -1,2 +1,5 @@
-# Auto detect text files and perform LF normalization
 * text=auto
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.onnx binary

.gitignore

@@ -10,46 +10,46 @@ env/
 .env
 .env.*
 
-# Build
+# Build / packaging
 build/
 dist/
 *.egg-info/
 
-# Test/cache
+# Test / cache
 .pytest_cache/
 .mypy_cache/
 .ruff_cache/
 .coverage
 htmlcov/
 
-# IDE
+# IDE / OS
 .vscode/
 .idea/
-
-# OS
 .DS_Store
 Thumbs.db
 
-# Project outputs
-output/
-outputs/
-debug/
-tmp/
-temp/
-
-# Large sample data
-samples/private/
+# Large local models
+models/*.onnx
+models/*.engine
+models/*.trt
+models/*.pth
+models/*.pt
+!models/.gitkeep
+
+# Generated outputs
+outputs/*
+!outputs/.gitkeep
+!outputs/deshadowed/
+!outputs/deshadowed/.gitkeep
+!outputs/warp_detection/
+!outputs/warp_detection/.gitkeep
+!outputs/template_rectified/
+!outputs/template_rectified/.gitkeep
+!outputs/template_rectified/Untitled5_template_matches.png
+
+# Local datasets / archives
+input/private/
 datasets/
 *.zip
 *.7z
 *.rar
-
-.venv/
-__pycache__/
-*.pyc
-
-outputs/
-models/*.onnx
-
-.DS_Store
-Thumbs.db