Add initial READMEs and repository layout

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+

README.md

-# cspp-geo-gridded-glm
+# CSPP Geo Gridded GLM
 
-CSPP Geo Gridded GLM package which wraps the glmtools python package and provides a command line interface.
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+CSPP Geo Gridded GLM is a command line package to convert GOES-R series
+Geostationary Lightning Mapper (GLM) data to a GOES-R ABI fixed grid. This
+package wraps the open source python package "glmtools" created by Eric
+Bruning. For more information on "glmtools" see its
+[GitHub page](https://github.com/deeplycloudy/glmtools).
+
+Each portion of this repository is described in their own README files.

build_package/README.md

+# Gridded GLM Package Build
+
+This directory contains scripts and files needed to build the CSPP Geo
+Gridded GLM packaged from an existing buildbucket docker image.
+
+## Build Instructions
+
+TODO
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buildbucket/README.md

+# Build Bucket
+
+This directory contains all the information to create a base build
+environment for the Gridded GLM tool.
+
+## Built Bucket Creation Instructions
+
+TODO
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gridded_glm/README.md

+# Gridded GLM Package
+
+This directory contains scripts and other utilities included in the CSPP Geo
+Gridded GLM package.
+
+## Usage
+
+TODO
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