feat: add minimal modeling-module

This is also a place holder for now, but will later be expanded to allow
3D modeling.

Cargo.toml

@@ -10,5 +10,6 @@ members = [
   "crates/cadara",
   "crates/module",
   "crates/workspace",
+  "crates/modeling-module",
 ]
 resolver = "2"

crates/modeling-module/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "modeling-module"
+version = "0.1.0"
+edition = "2021"
+license = "AGPL-3.0-only"
+publish = false
+
+[dependencies]
+module = { path = "../module" }
+uuid = { version = "1.6.1", features = ["v4", "serde"] }
+serde = { version = "1.0.195", features = ["derive", "alloc", "rc"] }

crates/modeling-module/src/lib.rs

@@ -0,0 +1,57 @@
+#![warn(clippy::nursery)]
+#![warn(clippy::pedantic)]
+#![allow(clippy::module_name_repetitions)]
+#![allow(clippy::cognitive_complexity)]
+
+use module::{DataTransaction, Module, ReversibleDataTransaction};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Default)]
+pub struct ModelingModule {}
+
+#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
+pub struct DataSection {}
+
+impl DataTransaction for DataSection {
+    type Args = ();
+
+    type Error = ();
+
+    type Output = ();
+
+    fn apply(&mut self, _args: Self::Args) -> Result<Self::Output, Self::Error> {
+        Ok(())
+    }
+
+    fn undo_history_name(_args: &Self::Args) -> String {
+        "nothing".to_string()
+    }
+}
+
+impl ReversibleDataTransaction for DataSection {
+    type UndoData = ();
+
+    fn apply(&mut self, _args: Self::Args) -> Result<(Self::Output, Self::UndoData), Self::Error> {
+        Ok(((), ()))
+    }
+
+    fn undo(&mut self, _undo_data: Self::UndoData) {}
+}
+
+impl Module for ModelingModule {
+    type PersistentData = DataSection;
+
+    type PersistentUserData = DataSection;
+
+    type SessionData = DataSection;
+
+    type SharedData = DataSection;
+
+    fn name() -> String {
+        "Modeling".to_string()
+    }
+
+    fn uuid() -> uuid::Uuid {
+        uuid::Uuid::parse_str("04d338d9-b7a9-4f5a-b04d-724466f4058f").expect("static UUID")
+    }
+}