AUTO: Docs repo sync - ScalarDB (#380)

* AUTO: Sync ScalarDB docs in English to docs site repo

* Delete easy-to-start.mdx

* Delete getting-started-export.mdx

* Delete getting-started-import.mdx

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Co-authored-by: josh-wong <joshua.wong@scalar-labs.com>
Co-authored-by: josh-wong <23216828+josh-wong@users.noreply.github.com>

Author: github-actions[bot]

docs/add-scalardb-to-your-build.mdx

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+# Add ScalarDB to Your Build
+
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+The ScalarDB library is available on the [Maven Central Repository](https://mvnrepository.com/artifact/com.scalar-labs/scalardb). You can add the library as a build dependency to your application by using Gradle or Maven.
+
+## Configure your application based on your build tool
+
+Select your build tool, and follow the instructions to add the build dependency for ScalarDB to your application.
+
+<Tabs groupId="build_tools" queryString>
+  <TabItem value="Gradle" label="Gradle">
+    To add the build dependency for ScalarDB by using Gradle, add the following to `build.gradle` in your application, replacing `<VERSION>` with the version of ScalarDB that you want to use:
+
+    ```gradle
+    dependencies {
+      implementation 'com.scalar-labs:scalardb:<VERSION>'
+    }
+    ```
+  </TabItem>
+  <TabItem value="Maven" label="Maven" default>
+    To add the build dependency for ScalarDB by using Maven, add the following to `pom.xml` in your application, replacing `<VERSION>` with the version of ScalarDB that you want to use:
+
+    ```xml
+    <dependency>
+      <groupId>com.scalar-labs</groupId>
+      <artifactId>scalardb</artifactId>
+      <version><VERSION></version>
+    </dependency>
+    ```
+  </TabItem>
+</Tabs>