Remove settings.local.json from version control

Add .claude/settings.local.json to .gitignore to prevent
local permission settings from being tracked.

.claude/settings.local.json

@@ -1,10 +0,0 @@
-{
-  "permissions": {
-    "allow": [
-      "Bash(mkdir:*)",
-      "Bash(docker build:*)"
-    ],
-    "deny": [],
-    "ask": []
-  }
-}

.gitignore

@@ -1,2 +1,3 @@
 *.deb
 *.rpm
+.claude/settings.local.json