add types for react-icofont npm package (#38327)

types/react-icofont/index.d.ts

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+// Type definitions for react-icofont 1.0
+// Project: https://www.npmjs.com/package/react-icofont
+// Definitions by: Ivan Chuyko <https://github.com/ichuyko>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.8
+
+import * as React from "react";
+
+export interface IcofontProps {
+    icon: string;
+    spin?: boolean;
+    flip?: "h" | "v";
+    rotate?: "90" | "180" | "270";
+    size?: "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "10";
+    className?: string;
+}
+
+export default class Icofont extends React.Component<IcofontProps> {}

types/react-icofont/react-icofont-tests.tsx

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+import * as React from 'react';
+import Icofont from "react-icofont";
+
+class Test extends React.Component<any> {
+    render() {
+        return (
+            <Icofont icon="spinner-alt-4" size="3" spin={true}/>
+        );
+    }
+}

types/react-icofont/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "jsx": "react",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "react-icofont-tests.tsx"
+    ]
+}

types/react-icofont/tslint.json

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+{
+    "extends": "dtslint/dt.json"
+}