chore(app): move it to crates/ to establish the new structure.

It is similar to `nu-shell`, which has a lot of crates by now,
which is something we probably see here as well.

Cargo.toml

@@ -69,7 +69,7 @@ correctness = "deny"
 
 [workspace]
 members = [
-    "gitbutler-app",
+    "crates/gitbutler-app",
     "gitbutler-changeset",
     "gitbutler-git",
 ]

crates/gitbutler-app/Cargo.toml

@@ -56,7 +56,7 @@ tokio-util = "0.7.10"
 tracing = "0.1.40"
 tracing-appender = "0.2.3"
 tracing-subscriber = "0.3.17"
-gitbutler = { path = "../" }
+gitbutler = { path = "../.." }
 
 [lints.clippy]
 all = "deny"

crates/gitbutler-app/build.rs

@@ -5,7 +5,12 @@ fn main() {
     // it before building.
     let manifest_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
     assert_eq!(manifest_dir.file_name().unwrap(), "gitbutler-app");
-    let build_dir = manifest_dir.parent().unwrap().join("gitbutler-ui/build");
+    let build_dir = manifest_dir
+        .parent()
+        .unwrap()
+        .parent()
+        .unwrap()
+        .join("gitbutler-ui/build");
     if !build_dir.exists() {
         // NOTE(qix-): Do not use `create_dir_all` here - the parent directory
         // NOTE(qix-): already exists, and we want to fail if not (for some reason).

crates/gitbutler-app/tauri.conf.json

@@ -3,7 +3,7 @@
 		"beforeDevCommand": "pnpm dev",
 		"beforeBuildCommand": "pnpm build:development",
 		"devPath": "http://localhost:1420",
-		"distDir": "../gitbutler-ui/build",
+		"distDir": "../../gitbutler-ui/build",
 		"withGlobalTauri": false
 	},
 	"package": {

crates/gitbutler-app/tests/app.rs

@@ -1,4 +1,4 @@
 // TODO(ST): move test code into crate and use that, but wait for `crates/`
-#[path = "../../tests/shared/mod.rs"]
+#[path = "../../../tests/shared/mod.rs"]
 pub mod shared;
 mod watcher;