UPDATE: Adds cell and formula editing (#92)

* UPDATE: Adds cell and formula editing

* FIX: Do not loose focus when clicking on the formula we are editing

* FIX: Minimal implementation of browse mode

* FIX: Initial browse mode within sheets

* UPDATE: Webapp

Minimal Web Application

webapp/src/components/tests/model.test.ts

@@ -7,7 +7,7 @@ import { expect, test } from "vitest";
 test("simple calculation", async () => {
   const buffer = await readFile("node_modules/@ironcalc/wasm/wasm_bg.wasm");
   initSync(buffer);
-  const model = new Model("en", "UTC");
+  const model = new Model("workbook", "en", "UTC");
   model.setUserInput(0, 1, 1, "=21*2");
   expect(model.getFormattedCellValue(0, 1, 1)).toBe("42");
 });