add script to create conda environment with MetPy 1.4 for SWPC use case

internal/scripts/docker_env/scripts/swpc_metpy_env.sh

@@ -0,0 +1,20 @@
+#! /bin/sh
+
+################################################################################
+# Environment: swpc_metpy.v5
+# Last Updated: 2022-12-28 (mccabe@ucar.edu)
+# Notes: Adds MetPy version with support for geospatial_gradient
+# Python Packages:
+#   metpy==1.4
+#
+# Other Content: None
+################################################################################
+
+# Conda environment to create
+ENV_NAME=swpc_metpy.v5
+
+# Conda environment to use as base for new environment
+BASE_ENV=py_embed_base.v5
+
+conda create -y --clone ${BASE_ENV} --name ${ENV_NAME}
+conda install -y --name ${ENV_NAME} -c conda-forge metpy==1.4