By Niamh Spence The Duchess of Sussex sent out homemade strawberry jam to ‘soft launch’ her lifestyle brand American Riviera Orchard, with celebrities and famous pals of Meghan and Harry sharing their support for the brand. Meghan Markle first announced her new lifestyle brand American Riviera Orchard last month, which quickly grew an online following on Instagram. However, for over a month, there were no further announcements until it appeared Meghan had sent out strawberry jam, hinting that this might be the first product for the brand. Friends of the Duchess have received handmade pots of s…