ci: add repomix config

Author: pythoninthegrass

{{cookiecutter.project_slug}}/repomix.config.json5

@@ -0,0 +1,47 @@
+{
+  "$schema": "https://repomix.com/schemas/latest/schema.json",
+  "input": {
+    "maxFileSize": 52428800
+  },
+  "output": {
+    "filePath": "repomix-output.md",
+    "style": "markdown",
+    "parsableStyle": false,
+    "fileSummary": true,
+    "directoryStructure": true,
+    "files": true,
+    "removeComments": true,
+    "removeEmptyLines": false,
+    "compress": true,
+    "topFilesLength": 5,
+    "showLineNumbers": false,
+    "copyToClipboard": false,
+    "git": {
+      "sortByChanges": true,
+      "sortByChangesMaxCommits": 100,
+      "includeDiffs": false
+    }
+  },
+  "include": ["**/*"],
+  "ignore": {
+    "useGitignore": true,
+    "useDefaultPatterns": true,
+    "customPatterns": [
+      ".claude",
+      ".editorconfig",
+      ".markdownlint.jsonc",
+      ".vscode",
+      "**/_index.json",
+      "LICENSE",
+      "repomix.config.json5",
+      "requirements.txt",
+      "uv.lock",
+    ]
+  },
+  "security": {
+    "enableSecurityCheck": true
+  },
+  "tokenCount": {
+    "encoding": "o200k_base"
+  }
+}