chore: 补充 .gitignore 规则（*.jar、ui/dist 等）

.gitignore

@@ -63,6 +63,7 @@ lerna-debug.log*
 *.ctxt
 
 ### Package Files
+*.jar
 *.war
 *.nar
 *.ear
@@ -70,6 +71,12 @@ lerna-debug.log*
 *.tar.gz
 *.rar
 
+### UI build output
+ui/dist/
+ui/dist-ssr/
+ui/*.local
+ui/.eslintcache
+
 ### Local file
 application-local.yml
 application-local.yaml