add custom type for svg

Author: Alexey Ivanov

src/@types/custom.d.ts

@@ -0,0 +1,6 @@
+declare module '*.svg' {
+  import React = require('react');
+  export const ReactComponent: React.SFC<React.SVGProps<SVGSVGElement>>;
+  const src: string;
+  export default src;
+}

tsconfig.json

@@ -11,7 +11,8 @@
     "resolveJsonModule": true,
     "isolatedModules": true,
     "noEmit": true,
-    "jsx": "react"
+    "jsx": "react",
+    "typeRoots": ["src/@types", "./node_modules/@types"]
   },
-  "include": ["src"]
+  "include": ["src", "src/@types"]
 }