chore: update translation and add transifex.yaml

Log:

Author: BLumia

.tx/transifex.yaml

@@ -0,0 +1,13 @@
+filters:
+- filter_type: file
+  source_file: translations/dde-session-shell_en.ts
+  file_format: QT
+  source_language: en
+  translation_files_expression: translations/dde-session-shell_<lang>.ts
+- filter_type: file
+  source_file: plugins/login-gesture/translations/login-gesture_en.ts
+  file_format: QT
+  source_language: en
+  translation_files_expression: plugins/login-gesture/translations/login-gesture_<lang>.ts
+settings:
+  pr_branch_name: transifex_update_<br_unique_id>

translations/dde-session-shell_lo.ts

@@ -331,22 +331,22 @@
     </message>
     <message>
         <source>Switch system</source>
-        <translation type="unfinished"/>
+        <translation>ປ່ຽນລະບົບ</translation>
     </message>
     <message>
         <source>Update and Shut Down</source>
-        <translation type="unfinished"/>
+        <translation>ອັບເດດ ແລະ ປິດເຄື່ອງ</translation>
     </message>
     <message>
         <source>Update and Reboot</source>
-        <translation type="unfinished"/>
+        <translation>ອັບເດດ ແລະ ເປີດຄືນ</translation>
     </message>
 </context>
 <context>
     <name>SystemMonitor</name>
     <message>
         <source>Start system monitor</source>
-        <translation type="unfinished"/>
+        <translation>ເປີດຕົວຕິດຕາມລະບົບ</translation>
     </message>
 </context>
 <context>