vectorize-pixelart: add page (#5346)

pages/common/vectorize-pixelart.md

@@ -0,0 +1,8 @@
+# vectorize-pixelart
+
+> Convert PNG pixel art graphics to SVG/EPS vector images.
+> More information: <https://github.com/und3f/vectorize-pixelart>.
+
+- Convert a PNG image to a vector image format:
+
+`vectorize-pixelart {{path/to/input.png}} {{path/to/output.svg|.eps}}`