feat: add main features

Agents for developpement added + frontend add + backend added. Git viewer created + agent and template creator + layout and project creator

crates/domain/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "domain"
+version = "0.1.0"
+edition.workspace = true
+license.workspace = true
+rust-version.workspace = true
+description = "IdeA — pure domain layer: entities, value objects, ports (traits), domain events, layout logic. Zero I/O."
+
+[dependencies]
+uuid = { workspace = true }
+serde = { workspace = true }
+thiserror = { workspace = true }
+async-trait = { workspace = true }
+
+[dev-dependencies]
+serde_json = { workspace = true }