Move crates under a sub folder to clean up the code

crates/index-scheduler/Cargo.toml

@@ -0,0 +1,48 @@
+[package]
+name = "index-scheduler"
+publish = false
+
+version.workspace = true
+authors.workspace = true
+description.workspace = true
+homepage.workspace = true
+readme.workspace = true
+edition.workspace = true
+license.workspace = true
+
+[dependencies]
+anyhow = "1.0.86"
+bincode = "1.3.3"
+csv = "1.3.0"
+derive_builder = "0.20.0"
+dump = { path = "../dump" }
+enum-iterator = "2.1.0"
+file-store = { path = "../file-store" }
+flate2 = "1.0.30"
+meilisearch-auth = { path = "../meilisearch-auth" }
+meilisearch-types = { path = "../meilisearch-types" }
+page_size = "0.6.0"
+rayon = "1.10.0"
+roaring = { version = "0.10.6", features = ["serde"] }
+serde = { version = "1.0.204", features = ["derive"] }
+serde_json = { version = "1.0.120", features = ["preserve_order"] }
+synchronoise = "1.0.1"
+tempfile = "3.10.1"
+thiserror = "1.0.61"
+time = { version = "0.3.36", features = [
+    "serde-well-known",
+    "formatting",
+    "parsing",
+    "macros",
+] }
+tracing = "0.1.40"
+ureq = "2.10.0"
+uuid = { version = "1.10.0", features = ["serde", "v4"] }
+
+[dev-dependencies]
+arroy = { git = "https://github.com/meilisearch/arroy/", rev = "2386594dfb009ce08821a925ccc89fb8e30bf73d" }
+big_s = "1.0.2"
+crossbeam = "0.8.4"
+insta = { version = "1.39.0", features = ["json", "redactions"] }
+maplit = "1.0.2"
+meili-snap = { path = "../meili-snap" }