feat: initial release v0.3.0

- Support 9 chart types: line, bar, pie, scatter, bubble, donut, mixed, polar, radar
- Multi-format output: ANSI, SVG, PNG, Markdown
- Go + Fiber + gonum/plot
- Docker support
- Morandi color palette

.gitignore

@@ -0,0 +1,29 @@
+# Binaries
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+server
+
+# Test binary
+*.test
+
+# Output
+*.out
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Environment
+.env
+
+# Build
+dist/