Add node modules and new code for release (#57)

Co-authored-by: taakleton <taakleton@users.noreply.github.com>

node_modules/@bcoe/v8-coverage/dist/lib/range-tree.d.ts

@@ -0,0 +1,24 @@
+import { RangeCov } from "./types";
+export declare class RangeTree {
+    start: number;
+    end: number;
+    delta: number;
+    children: RangeTree[];
+    constructor(start: number, end: number, delta: number, children: RangeTree[]);
+    /**
+     * @precodition `ranges` are well-formed and pre-order sorted
+     */
+    static fromSortedRanges(ranges: ReadonlyArray<RangeCov>): RangeTree | undefined;
+    normalize(): void;
+    /**
+     * @precondition `tree.start < value && value < tree.end`
+     * @return RangeTree Right part
+     */
+    split(value: number): RangeTree;
+    /**
+     * Get the range coverages corresponding to the tree.
+     *
+     * The ranges are pre-order sorted.
+     */
+    toRanges(): RangeCov[];
+}