doc: Add .gitignore for the Sphinx build output directory
With Sphinx documentation moving from Documentation directory
to doc directory, we missed updating .gitignore for the Sphinx
build output directory.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/Documentation/.gitignore b/Documentation/.gitignore
index e74fec8..0d20b64 100644
--- a/Documentation/.gitignore
+++ b/Documentation/.gitignore
@@ -1,2 +1 @@
-output
*.pyc
diff --git a/doc/.gitignore b/doc/.gitignore
new file mode 100644
index 0000000..53752db
--- /dev/null
+++ b/doc/.gitignore
@@ -0,0 +1 @@
+output