Update contract getting started

docs/smart-contracts/getting-started/create-an-app.mdx

@@ -22,7 +22,7 @@ From our `getting-started-tutorial` directory, run the following command to add
 
 ```sh
 soroban contract init ./ \
-  --frontend-template https://github.com/AhaLabs/soroban-astro-template
+  --frontend-template https://github.com/stellar/soroban-astro-template
 ```
 
 This will add the following to your project, which we'll go over in more detail below.
@@ -55,7 +55,7 @@ This is going to use the CLI command `soroban contract bindings typescript`:
 ```bash
 soroban contract bindings typescript \
   --network testnet \
-  --contract-id $(cat .soroban/contract-ids/soroban_hello_world_contract.txt) \
+  --contract-id $(cat .soroban/contract-ids/hello_world.txt) \
   --output-dir packages/hello_world
 ```
 
@@ -65,7 +65,7 @@ We attempt to keep the code in these generated libraries readable, so go ahead a
 
 ## Generate an NPM package for the Increment contract
 
-Though we can run `soroban contract bindings typescript` for each of our contracts individually, the [soroban-astro-template](https://github.com/AhaLabs/soroban-astro-template) that we used as our template includes a very handy `initialize.js` script that will handle this for all of the contracts in our `contracts` directory.
+Though we can run `soroban contract bindings typescript` for each of our contracts individually, the [soroban-astro-template](https://github.com/stellar/soroban-astro-template) that we used as our template includes a very handy `initialize.js` script that will handle this for all of the contracts in our `contracts` directory.
 
 In addition to generating the NPM packages, `initialize.js` will also:
 
@@ -139,13 +139,13 @@ As mentioned above, this script attempts to build and deploy our contracts, whic
 
 Now let's open up `src/pages/index.astro` and take a look at how the frontend code integrates with the NPM package we created for our contracts.
 
-Here we can see that we're importing our generated `helloWorld` client from `../contracts/soroban_hello_world_contract`. We're then invoking the `hello` method and adding the result to the page.
+Here we can see that we're importing our generated `helloWorld` client from `../contracts/hello_world`. We're then invoking the `hello` method and adding the result to the page.
 
 ```ts title="src/pages/index.astro"
 ---
 import Layout from "../layouts/Layout.astro";
 import Card from "../components/Card.astro";
-import helloWorld from "../contracts/soroban_hello_world_contract";
+import helloWorld from "../contracts/hello_world";
 const { result } = await helloWorld.hello({ to: "you" });
 const greeting = result.join(" ");
 ---
@@ -255,20 +255,21 @@ Now let's add a new component to the `src/components` directory called `ConnectF
     return publicKey;
   }
 
-  async function setLoggedIn() {
-    const publicKey = await getPk();
+  async function setLoggedIn(publicKey: string) {
     ellipsis.innerHTML = `Signed in as ${publicKey}`;
     ellipsis.title = publicKey;
   }
 
   if (await isAllowed()) {
-    if (await getPk()) setLoggedIn();
+    const publicKey = await getPk();
+    if (publicKey) setLoggedIn(publicKey);
     else wrap.innerHTML = 'Freighter is locked.<br>Sign in & refresh the page.';
   } else {
     button.addEventListener('click', async () => {
       button.disabled = true;
       await setAllowed();
-      await setLoggedIn();
+      const publicKey = await getPk();
+      await setLoggedIn(publicKey);
     });
   }
 </script>
@@ -290,7 +291,7 @@ Now we can import the component in the frontmatter of `pages/index.astro`:
  ---
  import Layout from '../layouts/Layout.astro';
  import Card from '../components/Card.astro';
- import helloWorld from "../contracts/soroban_hello_world_contract";
+ import helloWorld from "../contracts/hello_world";
 +import ConnectFreighter from '../components/ConnectFreighter.astro';
  ...
 ```
@@ -324,10 +325,13 @@ Current value: <strong id="current-value" aria-live="polite">???</strong><br />
 
 <script>
   import incrementor from "../contracts/soroban_increment_contract";
-
+  import { isAllowed, getUserInfo, signTransaction } from '@stellar/freighter-api';
   const button = document.querySelector("[data-increment]");
   const currentValue = document.querySelector("#current-value");
-
+  if (await isAllowed()) {
+    const publicKey = await getPublicKey();
+    if (publicKey) incrementor.options.publicKey = publicKey;
+  }
   button.addEventListener("click", async () => {
     button.disabled = true;
     button.classList.add("loading");
@@ -336,11 +340,11 @@ Current value: <strong id="current-value" aria-live="polite">???</strong><br />
       '<span class="visually-hidden"> – updating…</span>';
 
     const tx = await incrementor.increment();
-    const { result } = await tx.signAndSend();
+    const { result } = await tx.signAndSend({signTransaction});
 
     // Only use `innerHTML` with contract values you trust!
     // Blindly using values from an untrusted contract opens your users to script injection attacks!
-    currentValue.innerHTML = result;
+    currentValue.innerHTML = result.toString();
 
     button.disabled = false;
     button.classList.remove("loading");
@@ -370,7 +374,7 @@ Now let's use this component. In `pages/index.astro`, first import it:
  ---
  import Layout from '../layouts/Layout.astro';
  import Card from '../components/Card.astro';
- import helloWorld from "../contracts/soroban_hello_world_contract";
+ import helloWorld from "../contracts/hello_world";
  import ConnectFreighter from '../components/ConnectFreighter.astro';
 +import Counter from '../components/Counter.astro';
  ...

docs/smart-contracts/getting-started/storing-data.mdx

@@ -150,7 +150,7 @@ Check that it built:
 ls target/wasm32-unknown-unknown/release/*.wasm
 ```
 
-You should see both `soroban_hello_world_contract.wasm` and `soroban_increment_contract.wasm`.
+You should see both `hello_world.wasm` and `soroban_increment_contract.wasm`.
 
 ## Tests