docs: Add support for Hologres (#12710)

docs/src/pages/docs/Connecting to Databases/hologres.mdx

@@ -0,0 +1,25 @@
+---
+name: Hologres
+menu: Connecting to Databases
+route: /docs/databases/hologres
+index: 27
+version: 1
+---
+
+## Hologres
+
+Hologres is a real-time interactive analytics service developed by Alibaba Cloud. It is fully compatible with PostgreSQL 11 and integrates seamlessly with the big data ecosystem.
+
+Hologres sample connection parameters:
+
+- **User Name**: The AccessKey ID of your Alibaba Cloud account.
+- **Password**: The AccessKey secret of your Alibaba Cloud account.
+- **Database Host**: The public endpoint of the Hologres instance.
+- **Database Name**: The name of the Hologres database.
+- **Port**: The port number of the Hologres instance.
+
+The connection string looks like:
+
+```
+postgresql+psycopg2://{username}:{password}@{host}:{port}/{database}
+```

docs/src/pages/docs/Connecting to Databases/index.mdx

@@ -38,6 +38,7 @@ A list of some of the recommended packages.
 |[Elasticsearch](/docs/databases/elasticsearch)|```pip install elasticsearch-dbapi```|```elasticsearch+http://{user}:{password}@{host}:9200/```|
 |[Exasol](/docs/databases/exasol)|```pip install sqlalchemy-exasol```|```exa+pyodbc://{username}:{password}@{hostname}:{port}/my_schema?CONNECTIONLCALL=en_US.UTF-8&driver=EXAODBC```|
 |[Google Sheets](/docs/databases/google-sheets)|```pip install gsheetsdb```|```gsheets://```|
+|[Hologres](/docs/databases/hologres)|```pip install psycopg2```|```postgresql+psycopg2://<UserName>:<DBPassword>@<Database Host>/<Database Name>```|
 |[IBM Db2](/docs/databases/ibm-db2)|```pip install ibm_db_sa```|```db2+ibm_db://```|
 |[MySQL](/docs/databases/mysql)|```pip install mysqlclient```|```mysql://<UserName>:<DBPassword>@<Database Host>/<Database Name>```|
 |[Oracle](/docs/databases/oracle)|```pip install cx_Oracle```|```oracle://```|

docs/src/resources/data.js

@@ -220,4 +220,9 @@ export const Databases = [
     href: 'https://www.vertica.com/',
     imgName: 'vertica.png',
   },
+  {
+    title: 'Hologres',
+    href: 'https://www.alibabacloud.com/product/hologres',
+    imgName: 'hologres.png',
+  },
 ];