added wyrde HR-Fix model upscaling x2 x2 (x4 final)

added files for wyrde HR-Fix model upscaling x2 x2 (x4 final) workflow

hr-fix-upscale/x2-sharpen-x2-final-x4/README.md

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+# wyrde HR-Fix model upscaling x2 x2 (x4 final)
+Takes an image from text prompt (or image) and
+    - samples it
+	- uses an upscale model to double the size
+	- hi-rez fixes the image through a sampler
+	- uses a 4x upscale model to increase the size again
+	- saves it at a total of x4 size
+