Initial commit - add gitignore

.gitignore

@@ -0,0 +1,56 @@
+# This file
+.gitignore
+
+# Build artifacts
+/target/
+outlay-core/target/
+outlay-gtk/target/
+
+# Rust
+**/*.rs.bk
+*.pdb
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Docs/plans (local only)
+docs/
+
+# LLM/AI/agent files and directories
+.claude/
+.cursor/
+.copilot/
+.github/copilot/
+.aider*
+.continue/
+.codeium/
+.tabnine/
+.sourcery/
+.windsurf/
+.cody/
+.supermaven/
+.codex/
+.replit/
+.bolt/
+.v0/
+.devin/
+.idx/
+.ai/
+.llm/
+.agent/
+.agents/
+.prompts/
+AGENTS.md
+CLAUDE.md
+.cursorrules
+.cursorignore
+copilot-instructions.md
+.github/copilot-instructions.md