Small change to stash doc

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
screenshot for inline install tutorial

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
inline install tutorial

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
addons api doc

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>