refactor: update Node.js import statements to ES6 syntax in quickstart documentation

Author: javorosas

website/docs/quickstart.mdx

@@ -288,7 +288,7 @@ curl https://www.facturapi.io/v2/invoices/58e93bd8e86eb318b019743d/email \
 <TabItem value="js" label="Node.js" default>
 
 ```javascript
-const fs = require('fs');
+import fs from 'fs';
 
 // Descarga PDF y XML comprimidos en archivo ZIP
 const zipStream = await facturapi.invoices.downloadZip(invoice.id);

website/i18n/en/docusaurus-plugin-content-docs/current/quickstart.mdx

@@ -284,7 +284,7 @@ curl https://www.facturapi.io/v2/invoices/58e93bd8e86eb318b019743d/email \
 <TabItem value="js" label="Node.js" default>
 
 ```javascript
-const fs = require('fs');
+import fs from 'fs';
 
 // Download the PDF and XML files, bundled together in a ZIP file
 const zipStream = await facturapi.invoices.downloadZip(invoice.id);

website/openapi_v1.yaml

@@ -1646,7 +1646,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             const Facturapi = require('facturapi');
             const facturapi = new Facturapi('sk_test_API_KEY');
 
@@ -2731,7 +2731,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             const Facturapi = require('facturapi');
             const facturapi = new Facturapi('sk_test_API_KEY');
 
@@ -3235,7 +3235,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             const Facturapi = require('facturapi');
             const facturapi = new Facturapi('sk_user_API_KEY');
 
@@ -3327,7 +3327,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             const Facturapi = require('facturapi');
             const facturapi = new Facturapi('sk_user_API_KEY');
 

website/openapi_v2.en.yaml

@@ -2205,7 +2205,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_test_API_KEY');
 
@@ -2856,7 +2856,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_test_API_KEY');
 
@@ -3611,7 +3611,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_test_API_KEY');
 
@@ -4177,7 +4177,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_user_API_KEY');
 
@@ -4325,7 +4325,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_user_API_KEY');
 

website/openapi_v2.yaml

@@ -2254,7 +2254,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_test_API_KEY');
 
@@ -2900,7 +2900,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_test_API_KEY');
 
@@ -3653,7 +3653,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_test_API_KEY');
 
@@ -4213,7 +4213,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_user_API_KEY');
 
@@ -4364,7 +4364,7 @@ paths:
         - lang: JavaScript
           label: Node.js
           source: |
-            const fs = require('fs');
+            import fs from 'fs';
             import Facturapi from 'facturapi'
             const facturapi = new Facturapi('sk_user_API_KEY');