Added definitions for react-dynamic-number npm package (#23165)

* feat(ReactDynamicNumber): added definitions for RDN

* feat(ReactDynamicNumber): fix validation and linter

* feat(ReactDynamicNumber): PR remarks corrected

types/react-dynamic-number/index.d.ts

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+// Type definitions for react-dynamic-number 1.7
+// Project: https://github.com/uhlryk/react-dynamic-number
+// Definitions by: Eugene Rodin <https://github.com/eugrdn>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.6
+
+import * as React from 'react';
+
+/**
+ * remove Diff & Omit when in will be placed in TS from scratch
+ */
+export type Diff<T extends string, U extends string> = ({[P in T]: P} & {[P in U]: never} & {[x: string]: never})[T];
+export type Omit<T, K extends keyof T> = {[P in Diff<keyof T, K>]: T[P]};
+
+export type BaseInputProps = Partial<
+  Omit<
+    React.DetailedHTMLProps<React.InputHTMLAttributes<HTMLInputElement>, HTMLInputElement>,
+    'ref' | 'value' | 'onChange' | 'placeholder'
+  >
+>;
+
+export interface DynamicNumberProps extends BaseInputProps {
+  value?: number | '';
+  separator?: '.' | ',';
+  thousand?: boolean | ' ';
+  integer?: number;
+  fraction?: number;
+  positive?: boolean;
+  negative?: boolean;
+  placeholder?: string;
+  onChange?: (event: React.ChangeEvent<HTMLInputElement>, modelValue: number, viewValue: string) => void;
+}
+
+export default class DynamicNumber extends React.Component<DynamicNumberProps> {}

types/react-dynamic-number/react-dynamic-number-tests.tsx

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+import * as React from 'react';
+import DynamicNumber from 'react-dynamic-number';
+
+export class Test extends React.Component {
+  render() {
+    return (
+        <DynamicNumber
+          separator={','}
+          thousand={' '}
+          integer={40}
+          fraction={2}
+          negative={false}
+        />
+    );
+  }
+}

types/react-dynamic-number/tsconfig.json

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

types/react-dynamic-number/tslint.json

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