refactor(es modules): move all files to src, try vite 3.0

src/modules/define-globals.js

@@ -0,0 +1,32 @@
+"use strict";
+// define global vabiable, each to be refactored and de-globalized 1-by-1
+
+let grid = {}; // initial graph based on jittered square grid and data
+let pack = {}; // packed graph and data
+let seed;
+let mapId;
+let mapHistory = [];
+let elSelected;
+
+let notes = [];
+let customization = 0;
+
+let rulers;
+let biomesData;
+let nameBases;
+
+let color;
+let lineGen;
+
+// defined in main.js
+let graphWidth;
+let graphHeight;
+let svgWidth;
+let svgHeight;
+
+let options = {};
+let populationRate;
+let distanceScale;
+let urbanization;
+let urbanDensity;
+let statesNeutral;