[WIP] Refactor everything server to be more modular and use recommended APIs.

* Updated architecture.md

* Refactor/renamed sampling-request.ts to get-sampling-request.ts

* In tools/index.ts
  - sorted presenation order

src/everything/tools/get-sum.ts

@@ -12,7 +12,7 @@ const GetSumSchema = z.object({
 const name = "get-sum";
 const config = {
   title: "Get Sum Tool",
-  description: "Gets the sum of two numbers",
+  description: "Returns the sum of two numbers",
   inputSchema: GetSumSchema,
 };