Starting to modularize into separate cli / server packages. (#55)

* Starting to move a lot of code into packages/server

* More of the massive refactor, builds and runs, some issues though.

* Fixing outstanding issue with double messages.

* Fixing a minor UI issue.

* Fixing the build post-merge.

* Running formatting.

* Addressing comments.

packages/server/src/index.test.ts

@@ -1,9 +1,7 @@
 import { describe, it, expect } from 'vitest';
-import { helloServer } from './index.js';
 
-describe('server tests', () => {
-  it('should export helloServer function', () => {
-    expect(helloServer).toBeDefined();
-    expect(typeof helloServer).toBe('function');
+describe('placeholder tests', () => {
+  it('should pass', () => {
+    expect(true).toBe(true);
   });
 });