remove node_modules and .gitignore them

node_modules/tstl/iterator/IForwardIterator.d.ts

@@ -1,26 +0,0 @@
-/**
- * @packageDocumentation
- * @module std
- */
-import { IPointer } from "../functional/IPointer";
-import { IComparable } from "../functional/IComparable";
-/**
- * Forward iterator.
- *
- * @author Jeongho Nam - https://github.com/samchon
- */
-export interface IForwardIterator<T, Iterator extends IForwardIterator<T, Iterator> = IForwardIterator<T, any>> extends IPointer<T>, Pick<IComparable<Iterator>, "equals"> {
-    /**
-     * Get next iterator.
-     *
-     * @return The next iterator.
-     */
-    next(): Iterator;
-    /**
-     * Test whether equal to other iterator.
-     *
-     * @param obj The iterator to compare.
-     * @return Whether equal or not.
-     */
-    equals(obj: Iterator): boolean;
-}