Change Svelte syntax highlighting to JavaScript for Mintlify compatibility

- Update all ' javascript'
- Addresses rtomas GitHub comment about Mintlify not supporting svelte syntax highlighting
- Updated 6 files across all Svelte AppKit documentation adapters
- Maintains proper syntax highlighting while ensuring Mintlify compatibility

Co-Authored-By: rohit@reown.com <rrohitramesh710@gmail.com>

Author: devin-ai-integration[bot]

appkit/svelte/core/installation.mdx

@@ -163,7 +163,7 @@ Check the Svelte Ethers example
 
 The recommended way to trigger the modal in Svelte is to use the `<appkit-button />` web component. After setting up AppKit in your application, you can simply use the button component anywhere in your Svelte templates:
 
-``` svelte
+``` javascript
 <script lang="ts">
   // Import your AppKit configuration to ensure it's initialized
   import '$lib/appkit';
@@ -184,7 +184,7 @@ The `<appkit-button />` is a web component that's automatically registered when
 
 You can also trigger the modal programmatically using the AppKit instance:
 
-``` svelte
+``` javascript
 <script lang="ts">
   import { appKit } from '$lib/appkit';
 
@@ -208,7 +208,7 @@ You can also trigger the modal programmatically using the AppKit instance:
 
 Or use other AppKit web components:
 
-``` svelte
+``` javascript
 <appkit-connect-button />
 <appkit-account-button />
 <appkit-network-button />

snippets/appkit/svelte/bitcoin/about/triggermodal.mdx

@@ -1,6 +1,6 @@
 You can trigger the modal by calling the `open` method from AppKit instance.
 
-``` svelte
+``` javascript
 <!-- +page.svelte -->
 <script>
   import { appKit } from '$lib/appkit'
@@ -15,7 +15,7 @@ You can trigger the modal by calling the `open` method from AppKit instance.
 
 You can also select the modal's view when calling the `open` function.
 
-``` svelte
+``` javascript
 <script>
   import { appKit } from '$lib/appkit'
 

snippets/appkit/svelte/ethers/about/triggermodal.mdx

@@ -1,6 +1,6 @@
 You can trigger the modal by calling the `open` method from AppKit instance.
 
-``` svelte
+``` javascript
 <!-- +page.svelte -->
 <script>
   import { appKit } from '$lib/appkit'
@@ -15,7 +15,7 @@ You can trigger the modal by calling the `open` method from AppKit instance.
 
 You can also select the modal's view when calling the `open` function.
 
-``` svelte
+``` javascript
 <script>
   import { appKit } from '$lib/appkit'
 

snippets/appkit/svelte/solana/about/triggermodal.mdx

@@ -1,6 +1,6 @@
 You can trigger the modal by calling the `open` method from AppKit instance.
 
-``` svelte
+``` javascript
 <!-- +page.svelte -->
 <script>
   import { appKit } from '$lib/appkit'
@@ -15,7 +15,7 @@ You can trigger the modal by calling the `open` method from AppKit instance.
 
 You can also select the modal's view when calling the `open` function.
 
-``` svelte
+``` javascript
 <script>
   import { appKit } from '$lib/appkit'
 

snippets/appkit/svelte/wagmi/about/implementation.mdx

@@ -54,7 +54,7 @@ export { appKit }
 
 Then import this configuration in your app layout to ensure AppKit is initialized:
 
-``` svelte
+``` javascript
 <!-- src/routes/+layout.svelte -->
 <script>
   import '$lib/appkit';

snippets/appkit/svelte/wagmi/about/triggermodal.mdx

@@ -1,6 +1,6 @@
 The recommended way to trigger the modal is using the `initializeAppKit` function and web components:
 
-``` svelte
+``` javascript
 <script lang="ts">
   import { initializeAppKit } from './lib/stores/appkit';
 
@@ -15,7 +15,7 @@ The recommended way to trigger the modal is using the `initializeAppKit` functio
 
 You can also trigger the modal programmatically by calling the `open` method from AppKit instance:
 
-``` svelte
+``` javascript
 <!-- +page.svelte -->
 <script>
   import { appKit } from '$lib/appkit'
@@ -30,7 +30,7 @@ You can also trigger the modal programmatically by calling the `open` method fro
 
 You can select the modal's view when calling the `open` function:
 
-``` svelte
+``` javascript
 <script>
   import { appKit } from '$lib/appkit'