v0.3.0 Release

A new release of Langchain-Beam 🚀

Highlights

• Introduces Embedding Transform LangchainBeamEmbedding to generate vector embedding for text in pipeline.
• Added documentation for LLM transform and example pipelines.
• Refactored internal model builder class

What's Changed

• refactor: improve builder class handling in model options by in #20
• feat: Embedding PTransform #21
• docs: LLM transform documentation #22
• Update issue templates #23
• docs: Example pipeline with apache flink runner #24
• chore: v0.3.0 Maven central release #25

Full Changelog: v0.2.0...v0.3.0