docs: Add docs in website for sqlite/mysql/postgresql services (#3290)

Signed-off-by: Manjusaka <[email protected]>

core/src/services/sqlite/docs.md

@@ -17,7 +17,7 @@ This service can be used to:
 ## Configuration
 
 - `root`: Set the working directory of `OpenDAL`
-- `connection_string`: Set the connection string of postgres server
+- `connection_string`: Set the connection string of sqlite database
 - `table`: Set the table of sqlite
 - `key_field`: Set the key field of sqlite
 - `value_field`: Set the value field of sqlite

website/docs/services/mysql.mdx

@@ -0,0 +1,69 @@
+---
+title: MySQL
+---
+
+[MySQL](https://www.mysql.com/) services support.
+
+import Docs from '../../../core/src/services/mysql/docs.md'
+
+<Docs components={props.components} />
+
+### Via Config
+
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+<Tabs>
+  <TabItem value="rust" label="Rust" default>
+
+```rust
+use anyhow::Result;
+use opendal::services::Mysql;
+use opendal::Operator;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+
+    let mut map = HashMap::new();
+    map.insert("connection_string".to_string(), "mysql://you_username:[email protected]:5432/your_database".to_string());
+    map.insert("table".to_string(), "your_table".to_string());
+    map.insert("key_field".to_string(), "your_key_field".to_string());
+    map.insert("value_field".to_string(), "your_value_field".to_string());
+
+    let op: Operator = Operator::via_map(Scheme::Mysql, map)?;
+    Ok(())
+}
+```
+
+  </TabItem>
+  <TabItem value="node.js" label="Node.js">
+
+```javascript
+import { Operator } from  require('opendal');
+
+async function main() {
+    const op = new Operator("mysql", {
+        connection_string: 'mysql://you_username:[email protected]:5432/your_database',
+        table: 'your_table',
+        key_field: 'your_key_field',
+        value_field: 'your_value_field',
+    });
+}
+```
+
+  </TabItem>
+  <TabItem value="python" label="Python">
+
+```python
+import opendal
+
+op = opendal.Operator("mysql", {
+    "connection_string": "mysql://you_username:[email protected]:5432/your_database",
+    "table": "your_table",
+    "key_field": "your_key_field",
+    "value_field": "your_value_field",
+})
+```
+
+  </TabItem>
+</Tabs>

website/docs/services/postgresql.mdx

@@ -0,0 +1,69 @@
+---
+title: PostgreSQL
+---
+
+[PostgreSQL](https://www.postgresql.org/) services support.
+
+import Docs from '../../../core/src/services/postgresql/docs.md'
+
+<Docs components={props.components} />
+
+### Via Config
+
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+<Tabs>
+  <TabItem value="rust" label="Rust" default>
+
+```rust
+use anyhow::Result;
+use opendal::services::Postgresql;
+use opendal::Operator;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+
+    let mut map = HashMap::new();
+    map.insert("connection_string".to_string(), "postgresql://you_username:[email protected]:5432/your_database".to_string());
+    map.insert("table".to_string(), "your_table".to_string());
+    map.insert("key_field".to_string(), "your_key_field".to_string());
+    map.insert("value_field".to_string(), "your_value_field".to_string());
+
+    let op: Operator = Operator::via_map(Scheme::Postgresql, map)?;
+    Ok(())
+}
+```
+
+  </TabItem>
+  <TabItem value="node.js" label="Node.js">
+
+```javascript
+import { Operator } from  require('opendal');
+
+async function main() {
+    const op = new Operator("postgresql", {
+        connection_string: 'postgresql://you_username:[email protected]:5432/your_database',
+        table: 'your_table',
+        key_field: 'your_key_field',
+        value_field: 'your_value_field',
+    });
+}
+```
+
+  </TabItem>
+  <TabItem value="python" label="Python">
+
+```python
+import opendal
+
+op = opendal.Operator("postgresql", {
+    "connection_string": "postgresql://you_username:[email protected]:5432/your_database",
+    "table": "your_table",
+    "key_field": "your_key_field",
+    "value_field": "your_value_field",
+})
+```
+
+  </TabItem>
+</Tabs>

website/docs/services/sqlite.mdx

@@ -0,0 +1,69 @@
+---
+title: Sqlite
+---
+
+[Sqlite](https://www.sqlite.org/) services support.
+
+import Docs from '../../../core/src/services/sqlite/docs.md'
+
+<Docs components={props.components} />
+
+### Via Config
+
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+<Tabs>
+  <TabItem value="rust" label="Rust" default>
+
+```rust
+use anyhow::Result;
+use opendal::services::Sqlite;
+use opendal::Operator;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+
+    let mut map = HashMap::new();
+    map.insert("connection_string".to_string(), "file//abc.db".to_string());
+    map.insert("table".to_string(), "your_table".to_string());
+    map.insert("key_field".to_string(), "your_key_field".to_string());
+    map.insert("value_field".to_string(), "your_value_field".to_string());
+
+    let op: Operator = Operator::via_map(Scheme::Sqlite, map)?;
+    Ok(())
+}
+```
+
+  </TabItem>
+  <TabItem value="node.js" label="Node.js">
+
+```javascript
+import { Operator } from  require('opendal');
+
+async function main() {
+    const op = new Operator("sqlite", {
+        connection_string: 'file//abc.db',
+        table: 'your_table',
+        key_field: 'your_key_field',
+        value_field: 'your_value_field',
+    });
+}
+```
+
+  </TabItem>
+  <TabItem value="python" label="Python">
+
+```python
+import opendal
+
+op = opendal.Operator("sqlite", {
+    "connection_string": "file//abc.db",
+    "table": "your_table",
+    "key_field": "your_key_field",
+    "value_field": "your_value_field",
+})
+```
+
+  </TabItem>
+</Tabs>