Add node modules and compiled JavaScript from main (#57)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/lines-and-columns/dist/index.d.ts

@@ -0,0 +1,12 @@
+export declare type SourceLocation = {
+    line: number;
+    column: number;
+};
+export default class LinesAndColumns {
+    private string;
+    private offsets;
+    constructor(string: string);
+    locationForIndex(index: number): SourceLocation | null;
+    indexForLocation(location: SourceLocation): number | null;
+    private lengthOfLine(line);
+}