Add Type Definitions for imsi-grok (#36594)

* Add imsi-grok Generated Config

* Add Type Definitions for imsi-grok

types/imsi-grok/imsi-grok-tests.ts

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+import { grok } from 'imsi-grok';
+
+grok('');  // $ExpectType IMSIBreakdown | null

types/imsi-grok/index.d.ts

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+// Type definitions for imsi-grok 1.0
+// Project: https://github.com/atis--/imsi-grok#readme
+// Definitions by: Dean Pienaar <https://github.com/deanpienaar>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+// tslint:disable-next-line interface-name
+export interface IMSIBreakdown {
+    mcc: string;
+    mnc: string;
+    country_iso: string;
+    country_name: string;
+    country_code: string;
+    network_name: string;
+}
+
+export function grok(imsi: string): IMSIBreakdown | null;

types/imsi-grok/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",
+        "imsi-grok-tests.ts"
+    ]
+}

types/imsi-grok/tslint.json

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