Add conda-forge recipe for staged-recipes submission

Includes detectron2 + pytorch as run dependencies so that
conda install detectree2 fully resolves the deep learning stack
including CUDA support.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: PatBall1

recipe/meta.yaml

@@ -0,0 +1,69 @@
+{% set version = "2.1.2" %}
+
+package:
+  name: detectree2
+  version: {{ version }}
+
+source:
+  url: https://pypi.org/packages/source/d/detectree2/detectree2-{{ version }}.tar.gz
+  sha256: 2c6a08a394682fd0674aaf9c1a7698dde56e834c8aba9629ae131063dcec8801
+
+build:
+  noarch: python
+  script: {{ PYTHON }} -m pip install . -vv --no-deps --no-build-isolation
+  number: 0
+
+requirements:
+  host:
+    - python >=3.8
+    - setuptools >=68.0
+    - setuptools-scm >=8.0
+    - pip
+  run:
+    - python >=3.8
+    # Core
+    - pyyaml >=5.1
+    - numpy >=1.20
+    - pandas >=1.3
+    - tqdm >=4.60
+    - opencv >=4.5
+    # Geospatial
+    - shapely >=2.0
+    - geopandas >=0.13
+    - rasterio >=1.2
+    - fiona >=1.8
+    - rtree >=0.9
+    # Evaluation
+    - pycocotools >=2.0.4
+    # Deep learning (resolved automatically by conda, including CUDA)
+    - pytorch >=1.8
+    - torchvision >=0.9
+    - detectron2
+
+test:
+  imports:
+    - detectree2
+    - detectree2.preprocessing.tiling
+    - detectree2.models.outputs
+  commands:
+    - pip check
+    - python -c "from detectree2 import __version__; assert __version__ == '{{ version }}'"
+  requires:
+    - pip
+
+about:
+  home: https://github.com/PatBall1/detectree2
+  summary: Automatic tree crown delineation in aerial RGB imagery based on Mask R-CNN.
+  description: |
+    detectree2 is a Python package for automatic tree crown delineation
+    in aerial RGB and multispectral imagery based on Mask R-CNN.
+    Pre-trained models are available in the model_garden.
+  doc_url: https://patball1.github.io/detectree2/
+  dev_url: https://github.com/PatBall1/detectree2
+  license: MIT
+  license_family: MIT
+  license_file: LICENSE
+
+extra:
+  recipe-maintainers:
+    - PatBall1