v0.1.1

Added

• random_sample tool to choose k unique items from a population.
• Support for JSON string input for weights in the random_choices tool.
• Comprehensive test suite for random_sample.
• Tests for random_choices with JSON string weights.
• Demo video and MCP server badge in README.md.
• MCP client configuration example in README.md.
• Detailed release checklist for developers in README.md.

Changed

• Updated project description in README.md.