Add corrected image generation

backend/go.mod

@@ -3,6 +3,10 @@ module homework-backend
 go 1.22
 
 require (
+	github.com/fogleman/gg v1.3.0
 	github.com/go-chi/chi/v5 v5.1.0
 	github.com/mattn/go-sqlite3 v1.14.22
+	golang.org/x/image v0.21.0
 )
+
+require github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect