A svg (Scalable Vector Graphics) file is a vector image file format that is very different than a more traditional image file such with an extension such as GIF, JPG or PNG.  Since SVG code is a standard feature in HTML5, you can simply include the code as content through an EmbedCode element or through a Picture element.

This example provides examples of both.  The first image is rendered through an EmbedCode element and the second is rendered through a Picture element.

EmbedCode Element

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Picture Element