Adding .gitignore, .gitattributes, LICENSE, and README.md files.

.gitattributes

+*.h5 filter=lfs diff=lfs merge=lfs -text
+*.nc filter=lfs diff=lfs merge=lfs -text
+*.hdf filter=lfs diff=lfs merge=lfs -text

.gitignore

+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+### Various OS Files ###
+.DS_Store
+._.DS_Store
+Thumbs.db
+
+# pycharm projects
+.idea
+
+# Compiled object files
+*.o
+
+# Fortran modules
+*.mod
+
+# C extensions
+*.so
+
+# Archive library files
+*.a
+
+# VIM swap files
+.*.sw*
+
+### Various OS Files ###
+.DS_Store
+._.DS_Store
+Thumbs.db
+
+# repos specific ignores