Add a barebones common crate

Cargo.lock

@@ -3948,6 +3948,13 @@ dependencies = [
  "serde_stacker",
 ]
 
+[[package]]
+name = "revive-dt-common"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+]
+
 [[package]]
 name = "revive-dt-compiler"
 version = "0.1.0"

Cargo.toml

@@ -11,6 +11,7 @@ repository = "https://github.com/paritytech/revive-differential-testing.git"
 rust-version = "1.85.0"
 
 [workspace.dependencies]
+revive-dt-common = { version = "0.1.0", path = "crates/common" }
 revive-dt-compiler = { version = "0.1.0", path = "crates/compiler" }
 revive-dt-config = { version = "0.1.0", path = "crates/config" }
 revive-dt-core = { version = "0.1.0", path = "crates/core" }

crates/common/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "revive-dt-common"
+description = "A library containing common concepts that other crates in the workspace can rely on"
+version.workspace = true
+authors.workspace = true
+license.workspace = true
+edition.workspace = true
+repository.workspace = true
+rust-version.workspace = true
+
+[dependencies]
+anyhow = { workspace = true }

crates/common/src/lib.rs

@@ -0,0 +1,2 @@
+//! This crate provides common concepts, functionality, types, macros, and more that other crates in
+//! the workspace can benefit from.