add recipe to build pywatershed package

recipes/pywatershed/meta.yaml

@@ -0,0 +1,59 @@
+{% set name = "pywatershed" %}
+{% set version = "0.2.0" %}
+
+package:
+  name: {{ name|lower }}
+  version: {{ version }}
+
+source:
+  url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/pywatershed-{{ version }}.tar.gz
+  sha256: d117a72ae646319427fa81830c5d1b8faf3f2669bdec905da86fe3c91e1bd65c
+
+build:
+  noarch: python
+  script: {{ PYTHON }} -m pip install . -vv
+  number: 0
+
+requirements:
+  host:
+    - python >=3.9,<3.11
+    - setuptools >=61
+    - numpy
+    - pip
+  run:
+    - python >=3.9,<3.11
+    - numpy >=1.15.0
+    - matplotlib-base >=1.4.0
+    - netcdf4
+    - networkx
+    - numba
+    - pandas >=1.4.0
+    - pint
+    - pyyaml
+    - tqdm
+    - xarray >=2023.5.0
+    - xmltodict
+    - epiweeks4cf
+
+
+test:
+  imports:
+    - pywatershed
+  commands:
+    - pip check
+  requires:
+    - pip
+
+about:
+  home: https://github.com/EC-USGS/pywatershed
+  summary: pywatershed is a Python package for hydrologic modeling
+  license: CC0-1.0
+  license_file: LICENSE
+  doc_url: https://pywatershed.readthedocs.io
+  dev_url: https://github.com/EC-USGS/pywatershed
+
+extra:
+  recipe-maintainers:
+    - jmccreight
+    - jdhughes-usgs
+    - w-bonelli