Add 3.1.9 release doc (#15361)

docs/configs/index.md.jsx

@@ -60,6 +60,7 @@ import docs315Config from '../../../site_config/docs3-1-5';
 import docs316Config from '../../../site_config/docs3-1-6';
 import docs317Config from '../../../site_config/docs3-1-7';
 import docs318Config from '../../../site_config/docs3-1-8';
+import docs319Config from '../../../site_config/docs3-1-9';
 import docs320Config from '../../../site_config/docs3-2-0';
 import docsDevConfig from '../../../site_config/docsdev';
 
@@ -97,6 +98,7 @@ const docsSource = {
   '3.1.6': docs316Config,
   '3.1.7': docs317Config,
   '3.1.8': docs318Config,
+  '3.1.9': docs319Config,
   '3.2.0': docs320Config,
   dev: docsDevConfig,
 };

docs/configs/site.js

@@ -50,8 +50,8 @@ export default {
           },
           {
             key: 'docs1',
-            text: '3.1.8',
+            text: '3.1.9',
-            link: '/en-us/docs/3.1.8/user_doc/about/introduction.html',
+            link: '/en-us/docs/3.1.9/user_doc/about/introduction.html',
           },
           {
             key: 'docs2',
@@ -178,8 +178,8 @@ export default {
           },
           {
             key: 'docs1',
-            text: '3.1.8',
+            text: '3.1.9',
-            link: '/zh-cn/docs/3.1.8/user_doc/about/introduction.html',
+            link: '/zh-cn/docs/3.1.9/user_doc/about/introduction.html',
           },
           {
             key: 'docs2',

docs/docs/en/history-versions.md

@@ -8,6 +8,10 @@
 
 #### Links： [3.2.0 Document](../3.2.0/user_doc/about/introduction.md)
 
+### Versions: 3.1.9
+
+#### Links： [3.1.9 Document](../3.1.9/user_doc/about/introduction.md)
+
 ### Versions: 3.1.8
 
 #### Links： [3.1.8 Document](../3.1.8/user_doc/about/introduction.md)

docs/docs/zh/history-versions.md

@@ -8,6 +8,10 @@
 
 #### Links： [3.2.0 Document](../3.2.0/user_doc/about/introduction.md)
 
+### Versions: 3.1.9
+
+#### Links： [3.1.9 Document](../3.1.9/user_doc/about/introduction.md)
+
 ### Versions: 3.1.8
 
 #### Links： [3.1.8 Document](../3.1.8/user_doc/about/introduction.md)