Adds hook for sunpy (#134)

news/134.new.rst

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+Added a standard hook for SunPy.

src/_pyinstaller_hooks_contrib/hooks/stdhooks/hook-sunpy.py

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+# ------------------------------------------------------------------
+# Copyright (c) 2021 PyInstaller Development Team.
+#
+# This file is distributed under the terms of the GNU General Public
+# License (version 2.0 or later).
+#
+# The full license is available in LICENSE.GPL.txt, distributed with
+# this software.
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+# ------------------------------------------------------------------
+
+from PyInstaller.utils.hooks import collect_data_files, collect_submodules, copy_metadata
+
+hiddenimports = collect_submodules("sunpy", filter=lambda x: "tests" not in x.split("."))
+datas = collect_data_files("sunpy", excludes=['**/tests/', '**/test/'])
+datas += collect_data_files("drms")
+datas += copy_metadata("sunpy")
+
+# Note : sunpy > 3.1.0 comes with it's own hook for running tests.