chore: add .serena/ to .gitignore

Author: y-ok

.claude/settings.json

@@ -10,7 +10,14 @@
       "Bash(sort find src/test/resources/db/migration/sqlserver -type f)",
       "Bash(mvn dependency:list:*)",
       "Bash(cat:*)",
-      "Bash(bash /tmp/get_end_lines.sh)"
+      "Bash(bash /tmp/get_end_lines.sh)",
+      "Bash(mvn test-compile -pl . -q)",
+      "mcp__serena__list_dir",
+      "mcp__serena__find_symbol",
+      "mcp__serena__get_symbols_overview",
+      "mcp__serena__insert_after_symbol",
+      "Bash(mvn compile test-compile -pl .)",
+      "mcp__serena__search_for_pattern"
     ],
     "additionalDirectories": [
       "/tmp"

.gitignore

@@ -14,4 +14,5 @@ script/oradata/*
 .project
 .ansible/
 .settings/
-.claude/*
+.claude/
+.serena/