feat: add node and webpack to workers (#15)

Co-authored-by: Victor Oliva <[email protected]>
Co-authored-by: Carlo Sala <[email protected]>

docs/pages/getting-started.mdx

@@ -27,6 +27,7 @@ Now you can create a PolkadotClient with a provider of your choice and start int
 
 <Tabs.Root options={{
   smw: 'Smoldot (WebWorker)',
+  smnw: 'Smoldot (NodeJS WebWorker)',
   sm: 'Smoldot',
   web: 'WebSocket',
   node: 'NodeJS Socket',
@@ -37,9 +38,17 @@ Now you can create a PolkadotClient with a provider of your choice and start int
     import { getSmProvider } from "polkadot-api/sm-provider";
     import { chainSpec } from "polkadot-api/chains/polkadot";
     import { startFromWorker } from "polkadot-api/smoldot/from-worker";
+
+    // Using vite
     import SmWorker from "polkadot-api/smoldot/worker?worker";
+    const worker = new SmWorker();
+
+    // Using Webpack
+    // const worker = new Worker(
+    //   new URL("polkadot-api/smoldot/worker", import.meta.url)
+    // );
 
-    const smoldot = startFromWorker(new SmWorker());
+    const smoldot = startFromWorker(worker);
     const chain = await smoldot.addChain({ chainSpec });
 
     // Connect to the polkadot relay chain.
@@ -49,7 +58,33 @@ Now you can create a PolkadotClient with a provider of your choice and start int
 
     // [!include ~/snippets/gettingStarted.ts:usage]
     ```
+  </Tabs.Content>
+  <Tabs.Content value="snmw">
+    ```ts
+    // [!include ~/snippets/gettingStarted.ts:import]
+    import { getSmProvider } from "polkadot-api/sm-provider";
+    import { chainSpec } from "polkadot-api/chains/polkadot";
+    import { startFromWorker } from "polkadot-api/smoldot/from-node-worker";
+    import { fileURLToPath } from "url"
+    import { Worker } from "worker_threads"
+
+    const workerPath = fileURLToPath(
+      import.meta.resolve("polkadot-api/smoldot/node-worker")
+    );
+    // Or with cjs
+    // const workerPath = require.resolve("polkadot-api/smoldot/node-worker");
 
+    const worker = new Worker(workerPath);
+    const smoldot = startFromWorker(worker);
+    const chain = await smoldot.addChain({ chainSpec });
+
+    // Connect to the polkadot relay chain.
+    const client = createClient(
+      getSmProvider(chain)
+    );
+
+    // [!include ~/snippets/gettingStarted.ts:usage]
+    ```
   </Tabs.Content>
   <Tabs.Content value="sm">
     ```ts