Updated manual installation doc
Updated manual installation doc

sonata-project/ecommerce,sonata-project/ecommerce,Soullivaneuh/sonata-ecommerce,sonata-project/ecommerce,Soullivaneuh/sonata-ecommerce,Soullivaneuh/sonata-ecommerce,Soullivaneuh/sonata-ecommerce,sonata-project/ecommerce