refactor: remove extra category on e-invoice (#27)

* refactor: remove extra category on e-invoice

* feat: add linking to e-invoice

Author: ngyinze

docs/quick-start/e-invoice/_category_.json

@@ -2,7 +2,8 @@
     "label": "E Invoice",
     "position": 5,
     "link": {
-        "type": "generated-index",
-        "description": "Learn on E Invoice in SQL Account"
-    }
+        "type": "doc",
+        "id": "quick-start/e-invoice/intro"
+    },
+    "collapsible": false
 }

docs/quick-start/e-invoice/activate-myinvois-request/activate-myinvois-request.md renamed to docs/quick-start/e-invoice/activate-myinvois-request.md

@@ -3,7 +3,7 @@ sidebar_position: 1
 title: Table of contents
 hide_title: true
 hide_table_of_contents: true
-slug: /quick-start/e-invoice/activate-myinvois-request
+slug: /quick-start/e-invoice
 ---
 
 import {TOC} from '@src/components/toc.js';

docs/quick-start/e-invoice/activate-myinvois-request/_category_.json

@@ -18,3 +18,5 @@ dataEntryList = {[
 },
 ]}
 />
+
+[Click to learn more about E-Invoice](../e-invoice)