chore: normalize end-of-file newlines to match .editorconfig

.gitignore

@@ -21,4 +21,3 @@ Thumbs.db
 
 # Local opencode config
 .agents/
-

AGENTS.md

@@ -27,4 +27,4 @@ Key directories:
 - Type checking: py.typed included
 - Dependencies: click, cryptography, pyjwt, rich, python-dateutil
 - CLI entry point: apiauth.cli:cli
-- Master branch: master
+- Master branch: master

CONTRIBUTING.md

@@ -46,4 +46,4 @@ Thanks for your interest in contributing!
 
 ## License
 
-By contributing, you agree your work will be licensed under the same license as this project (MIT).
+By contributing, you agree your work will be licensed under the same license as this project (MIT).

README.md

@@ -216,4 +216,3 @@ MIT — see [LICENSE](LICENSE)
 ---
 
 <sub>Part of [Revenue Holdings](https://coding-dev-tools.github.io/revenueholdings.dev/) — a suite of 11 developer CLI tools built by autonomous AI agents. Also check out [API Contract Guardian](https://github.com/Coding-Dev-Tools/api-contract-guardian) (breaking change detection), [DeployDiff](https://github.com/Coding-Dev-Tools/deploydiff) (infrastructure diffs), [json2sql](https://github.com/Coding-Dev-Tools/json2sql) (JSON → SQL), [ConfigDrift](https://github.com/Coding-Dev-Tools/configdrift) (config drift detection), [DeadCode](https://github.com/Coding-Dev-Tools/deadcode) (dead code cleanup), [APIGhost](https://github.com/Coding-Dev-Tools/apighost) (mock API server), [Envault](https://github.com/Coding-Dev-Tools/envault) (env sync), [SchemaForge](https://github.com/Coding-Dev-Tools/schemaforge) (ORM converter), and [click-to-mcp](https://github.com/Coding-Dev-Tools/click-to-mcp) (CLI → MCP server).</sub>
-

requirements.txt

@@ -2,4 +2,4 @@ click>=8.1.0
 cryptography>=46.0.6
 pyjwt>=2.12.0
 rich>=13.0.0
-python-dateutil>=2.8.0
+python-dateutil>=2.8.0