build: organize building system, support sphinx doc

Change-Id: I88ba0186a3defe1ffcbd55fb5f8ef81b5d2d3d81
diff --git a/docs/named_data_theme/theme.conf b/docs/named_data_theme/theme.conf
new file mode 100644
index 0000000..aa5a7ff
--- /dev/null
+++ b/docs/named_data_theme/theme.conf
@@ -0,0 +1,15 @@
+[theme]
+inherit = agogo
+stylesheet = named_data_style.css
+# pygments_style = sphinx
+
+theme_bodyfont = "normal 12px Verdana, sans-serif"
+theme_bgcolor = "#ccc"
+
+theme_documentwidth = "100%"
+theme_textalign = "left"
+
+[options]
+
+stickysidebar = true
+collapsiblesidebar = true