Add example configuration file

examples/.aicoderc.yaml

@@ -0,0 +1,52 @@
+version: "1.0"
+name: "custom-rules"
+
+rules:
+  security.sql_injection:
+    enabled: true
+    severity: critical
+
+  security.eval_usage:
+    enabled: true
+    severity: critical
+
+  security.path_traversal:
+    enabled: true
+    severity: high
+
+  antipattern.exception_swallow:
+    enabled: true
+    severity: medium
+
+  antipattern.magic_number:
+    enabled: true
+    severity: low
+
+  antipattern.deep_nesting:
+    enabled: true
+    severity: medium
+
+  antipattern.long_function:
+    enabled: true
+    severity: medium
+
+  secret.hardcoded_secret:
+    enabled: true
+    severity: critical
+
+  performance.inefficient_loop:
+    enabled: true
+    severity: medium
+
+  performance.redundant_operation:
+    enabled: true
+    severity: low
+
+  performance.unnecessary_copy:
+    enabled: true
+    severity: low
+
+output:
+  format: "rich"  # or "json"
+  show_summary: true
+  show_line_numbers: true