Add repository scaffolding

MIT license, the ignore list that keeps secrets and Ansible scratch files
out, and a .gitattributes that normalises everything to LF — payloads are
deployed to Linux hosts, where a CRLF breaks a shell script outright.

Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>

.gitattributes

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+# Everything here is deployed to Linux hosts. A CRLF line ending makes a shell
+# script fail with "bad interpreter: /bin/bash^M", and can silently break a
+# compose or config file. Normalise to LF in the repository and on checkout,
+# whatever the contributor's platform or core.autocrlf setting.
+* text=auto eol=lf

.gitignore

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+# Secrets never belong in this repository. See docs/secrets.md.
+.env
+.env.local
+.env.*.local
+.vault_pass
+vault-password*
+*.vault
+*.pem
+id_rsa*
+id_ed25519*
+
+# Ansible
+*.retry
+ansible/collections/
+ansible/inventory/host_vars/*.local.yml
+# Scratch directory ansible-lint and ansible-core create in the working directory
+.ansible/
+
+# Editors and OS
+.idea/
+.vscode/
+*.swp
+*.swo
+.DS_Store
+
+# Python, for the linting toolchain
+__pycache__/
+*.pyc
+.venv/
+
+# Claude Code — settings.json is shared, settings.local.json is personal
+.claude/settings.local.json

LICENSE

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+MIT License
+
+Copyright (c) 2026 The compose-stack-deploy contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.