refactor: update tags and slugs for all documentation (#79)

* refactor : integration and miscellaneous module (update tags, verify slugs, and add the category slug)

* refactor: gst and sst module (update tags, verify slugs, and add the category slug)

* refactor : troubleshooting (update tags, verify slugs, and add the category slug)

* refactor : usage module (update tags, verify slugs, and add the category slug)

* refactor : singapore module (update tags, verify slugs, and add the category slug)

* refactor : intro, additional-module, getting-started (update tags, verify slugs, and add the category slug)

---------

Co-authored-by: HanJun0364 <lauhanjunsql@gmail.com>
Co-authored-by: woohoo69 <104333186+woohoo69@users.noreply.github.com>
Co-authored-by: jiasen1012 <mahjiasen@gmail.com>
Co-authored-by: kfeng <kaifengsql@gmail.com>

Author: 5 people

docs/additional-module/_category_.json

@@ -3,6 +3,7 @@
     "position": 5,
     "link": {
         "type": "generated-index",
-        "description": "Additional modules for SQL Account"
+        "description": "Additional modules for SQL Account",
+        "slug": "/additional-module-category"
     }
 }

docs/additional-module/interbank-giro.md

@@ -3,6 +3,7 @@
     "position": 2,
     "link": {
         "type": "generated-index",
-        "description": "A quick getting started for SQL Account"
+        "description": "A quick getting started for SQL Account",
+        "slug": "/getting-started-category"
     }
 }

docs/additional-module/posting-date.md

@@ -3,6 +3,7 @@
     "position": 3,
     "link": {
         "type": "generated-index",
-        "description": "Database operations"
+        "description": "Database operations",
+        "slug": "/getting-started/database-category"
     }
 }

docs/additional-module/serial-no.md

@@ -3,6 +3,7 @@
     "position": 5,
     "link": {
         "type": "generated-index",
-        "description": "Migrate from other accounting software."
+        "description": "Migrate from other accounting software.",
+        "slug": "/getting-started/migration-category"
     }
 }