docs: blob and url ts polyfill

Signed-off-by: David Dal Busco <david.dalbusco@outlook.com>

Author: peterpeterparker

docs/reference/functions/typescript/node.md

@@ -4,15 +4,13 @@ The TypeScript runtime used in Juno does not provide full Node.js support. Polyf
 
 If you require a specific Node.js feature or are blocked by a missing polyfill, please reach out or open an issue. Features are prioritized based on usage and compatibility.
 
----
-
-## Globals
+The following globals are available out of the box, without any imports.
 
-Some global functions are supported but come with important limitations or added details.
+---
 
-### Math.random
+## Math.random
 
-Generates a pseudo-random number between 0 (inclusive) and 1 (exclusive) is supported.
+Generates a pseudo-random number between 0 (inclusive) and 1 (exclusive).
 
 However, the generator is seeded once after upgrade of the Satellite. Use it with caution.
 
@@ -28,11 +26,34 @@ const value = Math.random();
 
 ---
 
-### Console
+## Console
 
 Logging is fully supported. Objects are stringified and logs are routed to the IC-CDK `print()` function, making them visible in your Satellite logs including inside the Juno Console UI in development or production.
 
 ```typescript
 console.log("Hello from the Satellite");
 console.info("Hello", { type: "info", msg: "Something happened" });
 ```
+
+---
+
+## Blob
+
+`Blob` represents immutable raw binary data.
+
+```typescript
+const blob = new Blob(["Hello from the Satellite"], { type: "text/plain" });
+const text = await blob.text();
+```
+
+---
+
+## URL
+
+Parses and manipulates URLs with `URL` and `URLSearchParams`.
+
+```typescript
+const url = new URL("https://example.com?foo=bar");
+console.log(url.hostname); // example.com
+console.log(url.searchParams.get("foo")); // bar
+```