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

* Added git-tiny-image.ts
  - registers a tool that returns a tiny MCP logo

* In all other tools, updated function docs

src/everything/tools/index.ts

@@ -1,6 +1,7 @@
 import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
 import { registerAddTool } from "./add.js";
 import { registerEchoTool } from "./echo.js";
+import { registerGetTinyImageTool } from "./get-tiny-image.js";
 import { registerLongRunningOperationTool } from "./long-running-operation.js";
 import { registerPrintEnvTool } from "./print-env.js";
 import { registerSamplingRequestTool } from "./sampling-request.js";
@@ -14,6 +15,7 @@ import { registerToggleSubscriberUpdatesTool } from "./toggle-subscriber-updates
 export const registerTools = (server: McpServer) => {
   registerAddTool(server);
   registerEchoTool(server);
+  registerGetTinyImageTool(server);
   registerLongRunningOperationTool(server);
   registerPrintEnvTool(server);
   registerSamplingRequestTool(server);