add template for Jupyter Notebooks

Co-Authored-By: Lin Kao-Yuan <mosdeo@gmail.com>

community/Python/JupyterNotebooks.gitignore

@@ -0,0 +1,9 @@
+# gitignore template for Jupyter Notebooks
+# website: http://jupyter.org/
+
+.ipynb_checkpoints
+*/.ipynb_checkpoints/*
+
+# Remove previous ipynb_checkpoints
+#   git rm -r .ipynb_checkpoints/
+#