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

Refactor/rename `print-env` tool to `get-env`

* Updated architecture.md

* Refactor rename print-env.ts to get-env.ts

* In tools/index.ts
  - reorder tools alphabetically

src/everything/tools/get-env.ts

@@ -0,0 +1,33 @@
+import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
+import { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
+
+// Tool configuration
+const name = "get-env";
+const config = {
+  title: "Print Environment Tool",
+  description:
+    "Prints all environment variables, helpful for debugging MCP server configuration",
+  inputSchema: {},
+};
+
+/**
+ * Registers the 'get-env' tool with the given MCP server.
+ *
+ * The registered tool Retrieves and returns the environment variables
+ * of the current process as a JSON-formatted string encapsulated in a text response.
+ *
+ * @param {McpServer} server - The MCP server instance where the Echo Tool is to be registered.
+ * @returns {void}
+ */
+export const registerGetEnvTool = (server: McpServer) => {
+  server.registerTool(name, config, async (args): Promise<CallToolResult> => {
+    return {
+      content: [
+        {
+          type: "text",
+          text: JSON.stringify(process.env, null, 2),
+        },
+      ],
+    };
+  });
+};