Added definitions for clusterize.js (#20738)

* Added definitions for clusterize.js

* Fixed definitions author.

* Review fixes.

* Review fix.

types/clusterize.js/clusterize.js-tests.ts

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+import Clusterize = require('clusterize.js');
+
+const options: Clusterize.Options = { contentId: '', scrollId: '' };
+const clusterize = new Clusterize(options);
+
+clusterize.append(['<li></li>']);
+
+clusterize.prepend(['<li></li>']);
+
+clusterize.getRowsAmount();
+
+clusterize.update(['<li></li>']);
+
+clusterize.getScrollProgress();
+
+clusterize.refresh();
+
+clusterize.clear();
+
+clusterize.destroy();

types/clusterize.js/index.d.ts

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+// Type definitions for clusterize.js 0.17
+// Project: https://github.com/NeXTs/Clusterize.js
+// Definitions by: Pr1st0n <https://github.com/Pr1st0n>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare class Clusterize {
+    constructor(options: Clusterize.Options);
+
+    destroy(clean?: boolean): void;
+    refresh(force?: boolean): void;
+    clear(): void;
+    getRowsAmount(): number;
+    getScrollProgress(): number;
+    update(data?: string[]): void;
+    append(rows: string[]): void;
+    prepend(rows: string[]): void;
+}
+
+declare namespace Clusterize {
+    interface Options {
+        scrollId: string;
+        contentId: string;
+        rows?: string[];
+        tag?: string;
+        rows_in_block?: number;
+        blocks_in_cluster?: number;
+        show_no_data_row?: boolean;
+        no_data_text?: string;
+        no_data_class?: string;
+        keep_parity?: boolean;
+        callbacks?: Callbacks;
+    }
+
+    interface Callbacks {
+        clusterWillChange?(cb: () => void): void;
+        clusterChanged?(cb: () => void): void;
+        scrollingProgress?(cb: (progress: number) => void): void;
+    }
+}
+
+export = Clusterize;

types/clusterize.js/tsconfig.json

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

types/clusterize.js/tslint.json

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