gource: add page (#1211)

pages/common/gource.md

@@ -0,0 +1,28 @@
+# gource
+
+> Renders an animated tree diagram of Git, SVN, Mercurial and Bazaar repositories.
+> It shows files and folders being created, modified or removed over time.
+
+- Run gource in a directory (if it isn't the repository's root directory, the root is seeked up from there):
+
+`gource {{path/to/repository}}`
+
+- Set the resolution:
+
+`gource -{{width}}x{{height}}`
+
+- Set the animation time scale:
+
+`gource -c {{time_scale_multiplier}}`
+
+- Set the amount of time to display each day:
+
+`gource -s {{seconds}}`
+
+- Run gource in fullscreen mode and set the background color:
+
+`gource -f -b {{hex_color_code}}`
+
+- Set the title:
+
+`gource --title {{title}}`