feat(rijndael-js): Added type definitions for the rijndael-js package (#37691)

types/rijndael-js/index.d.ts

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+// Type definitions for rijndael-js 1.0
+// Project: https://github.com/Snack-X/rijndael-js#readme
+// Definitions by: Svet Nikolov <https://github.com/svetkomir>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+export = RijndaelBlock;
+
+declare class RijndaelBlock {
+    constructor(key: Buffer | string, mode: string);
+    encrypt(_plaintext: Buffer | string, blockSize: string, _iv: Buffer | string): Buffer;
+    decrypt(_ciphertext: Buffer, blockSize: string, _iv: Buffer | string): Buffer;
+}

types/rijndael-js/rijndael-js-tests.ts

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+import RijndaelBlock = require('rijndael-js');
+
+const rijndaelBlockStringTest = new RijndaelBlock('12345678901234567890123456789012', 'cbc');
+
+const rijndaelBlock = new RijndaelBlock(Buffer.from('12345678901234567890123456789012'), 'cbc');
+
+let encryptedValue: Buffer = rijndaelBlock.encrypt('text to encrypt', '128', '1234567890123456');
+encryptedValue = rijndaelBlock.encrypt(Buffer.from('text to encrypt'), '128', Buffer.from('1234567890123456'));
+
+let decryptedValue: Buffer = rijndaelBlock.decrypt(encryptedValue, '128', '1234567890123456');
+decryptedValue = rijndaelBlock.decrypt(encryptedValue, '128', Buffer.from('1234567890123456'));

types/rijndael-js/tsconfig.json

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

types/rijndael-js/tslint.json

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