Baby steps

[prasannavl]

Initial steps

Step 1: Implement wasmtime, add a simple wasm module to execute through the library.
Step 2: Basic hook into the validations of ain, and verify basic hook-up.
Step 3: Modify build process of ain to include the library.

• Can be a part of depends. (or)
• Can be a full autotools build, taking on a dependency on cargo and rust.