Broaden Claude Code permissions for git and gh CLI commands

Replace individual git subcommand patterns (status, diff, log) with a
single git wildcard, and add gh CLI permission for GitHub operations.

Author: NejcS

.claude/settings.json

@@ -10,9 +10,8 @@
             "Bash(flake8 *)",
             "Bash(mypy *)",
             "Bash(coverage *)",
-            "Bash(git status*)",
-            "Bash(git diff*)",
-            "Bash(git log*)",
+            "Bash(git *)",
+            "Bash(gh *)",
             "Bash(ls *)",
             "Bash(cat *)",
             "Bash(grep *)",