Add injectSourceFiles command for json

Author: rikkimax

views/package_format_json.dt

@@ -372,6 +372,11 @@ block body
 			td: code string[]
 			td Additional flags passed to the linker - note that these flags are usually specific to the linker in use
 
+		tr
+			td injectSourceFiles
+			td: code string[]
+			td Source files that will be compiled into binaries that depend on this package. Warning: this should be under a permissive license (like Boost) or you risk infecting a users binary with an incompatible license.
+
 	h3#version-specs Version specifications
 	p A version specification can either be a simple declaration or a more complex variant, allowing more control.