Fix: Add link to dev workflow doc

Author: butchtm

notebooks/index.ipynb

@@ -69,7 +69,7 @@
     "\n",
     "To make it easy to document, maintain, and extend the package, we opted to maintain the source code, tests and documentation\n",
     "on Jupyter notebooks. We use [nbdev](https://nbdev.fast.ai) to generate the Python package and documentation \n",
-    "from the notebooks. See this document to learn more about our development workflow. \n",
+    "from the notebooks. See this [document](https://github.com/thinkingmachines/geowrangler/blob/master/DEVELOPMENT.md) to learn more about our development workflow. \n",
     "\n",
     "By doing this, we hope to make it easy for geospatial analysts, scientists, and engineers to learn, explore, and extend this package \n",
     "for their geospatial processing needs. \n",