build: Add process-svgs script (#216)

bin/__tests__/__snapshots__/process-svg.test.js.snap

@@ -0,0 +1,26 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`processes SVG correctly 1`] = `
+"<svg
+  xmlns=\\"http://www.w3.org/2000/svg\\"
+  width=\\"24\\"
+  height=\\"24\\"
+  viewBox=\\"0 0 24 24\\"
+  fill=\\"none\\"
+  stroke=\\"currentColor\\"
+  stroke-width=\\"2\\"
+  stroke-linecap=\\"round\\"
+  stroke-linejoin=\\"round\\"
+>
+  <line x1=\\"23\\" y1=\\"1\\" x2=\\"1\\" y2=\\"23\\" />
+  <line x1=\\"1\\" y1=\\"1\\" x2=\\"23\\" y2=\\"23\\" />
+</svg>
+"
+`;
+
+exports[`rejects when passed unparsable SVG string 1`] = `
+[Error: Error in parsing SVG: Unclosed root tag
+Line: 0
+Column: 10
+Char: ]
+`;