Added intercom-client (#25510)

* added feather-icons

* added strictfunctiontypes

* added intercom-client

* splitting pull requests by package

types/intercom-client/index.d.ts

@@ -0,0 +1,13 @@
+// Type definitions for intercom-client 2.9
+// Project: https://github.com/intercom/intercom-node
+// Definitions by: Jinesh Shah <https://github.com/jineshshah36>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface IdentityVerificationOptions {
+    secretKey: string;
+    identifier: string;
+}
+
+export const IdentityVerification: {
+    userHash(opts: IdentityVerificationOptions): string;
+};

types/intercom-client/intercom-client-tests.ts

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+import * as intercom from "intercom-client";
+
+intercom.IdentityVerification.userHash({ secretKey: "", identifier: "" }); // $ExpectType string

types/intercom-client/tsconfig.json

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

types/intercom-client/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }