Add .gitignore file hide all those downloaded or generated files

cschlote · cschlote · commit 967fcc53ebcf · 2019-05-22T08:15:36.000+02:00
This makes git status much more readable by hiding those files, which
were downloadeded or otherwise 'generated'.
diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,11 @@
-.dub
+.dub/
+*~
+docs/
+docs.json
+examples/.dub/
+examples/mnist
+examples/mnist_data/
+examples/rcv1
+examples/rcv1_data/
+libvectorflow.a
 vectorflow-test-unittest
