docs(tree): sync installer/PROJECT_TREE.md from RunicGateway/installer@0e7d5f3 [skip ci]

installer/PROJECT_TREE.md

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+# Runic Gateway installer — Project Tree
+
+> **Auto-generated.** This file is maintained by the `sync-project-tree` CI workflow in
+> the [`RunicGateway/installer`](https://gitea.whitlocktech.com/RunicGateway/installer) repository, which
+> opens a pull request here whenever the tracked file layout on `main` changes. Do not edit
+> by hand — changes will be overwritten by the next sync.
+
+A snapshot of the tracked files in the repository (build output, dependencies, and other
+git-ignored paths are excluded).
+
+```text
+installer/
+├── .gitea/
+│   ├── ISSUE_TEMPLATE/
+│   │   ├── bug_report.md
+│   │   ├── config.yaml
+│   │   └── feature_request.md
+│   ├── scripts/
+│   │   └── gen_tree.py
+│   ├── workflows/
+│   │   ├── bundle.yml
+│   │   ├── pr-checks.yml
+│   │   ├── release.yml
+│   │   └── sync-project-tree.yml
+│   └── PULL_REQUEST_TEMPLATE.md
+├── bundles/
+│   ├── bundle-2026.08.04.json
+│   ├── current.json
+│   └── README.md
+├── .gitignore
+├── CODE_OF_CONDUCT.md
+├── CONTRIBUTING.md
+├── CONTRIBUTORS.md
+├── LICENSE.md
+├── README.md
+└── SECURITY.md
+```