This pull request introduces a new Rust baseline project and a set of template test cases for compatibility testing, along with corresponding template files and initial C# rewrite implementations for some cases. The main focus is to set up a framework for comparing template rendering between Rust (using minijinja) and C# (using MiniJinja). The most important changes are as follows:

Baseline Rust Project Setup:

• Added a new Rust project in compatibility/baseline with a Cargo.toml specifying minijinja as a dependency, and a .gitignore to exclude build artifacts. [1] [2]
• Implemented src/main.rs to execute and render 12 different template cases using minijinja, each demonstrating a different template feature (e.g., inheritance, loops, filters, macros).

Template Test Cases:

• Added template files under compatibility/cases/case0 through case11, each illustrating a specific template feature such as variable interpolation, inheritance, loops, filters, conditionals, macros, and nested loops. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13]

Editor Configuration:

• Updated .editorconfig to specify that .txt files should not have a final newline, ensuring consistency in template file formatting.

C# Rewrite Implementations:

• Added initial C# implementations for Case0, Case1, and Case10 in compatibility/rewrite/, each loading the corresponding template(s) and rendering them using the MiniJinja library, mirroring the Rust test cases. [1] [2] [3]