extract the index abstraction out of the index-scheduler in its own module

index/Cargo.toml

@@ -0,0 +1,33 @@
+[package]
+name = "index"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.64"
+bincode = "1.3.3"
+csv = "1.1.6"
+derivative = "2.2.0"
+either = { version = "1.6.1", features = ["serde"] }
+fst = "0.4.7"
+indexmap = { version = "1.8.0", features = ["serde-1"] }
+lazy_static = "1.4.0"
+log = "0.4.14"
+meilisearch-types = { path = "../meilisearch-types" }
+milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.33.0" }
+obkv = "0.2.0"
+permissive-json-pointer = { path = "../permissive-json-pointer" }
+regex = "1.5.5"
+serde = { version = "1.0.136", features = ["derive"] }
+serde_json = { version = "1.0.85", features = ["preserve_order"] }
+thiserror = "1.0.30"
+time = { version = "0.3.7", features = ["serde-well-known", "formatting", "parsing", "macros"] }
+file-store = { path = "../file-store" }
+uuid = { version = "1.1.2", features = ["serde", "v4"] }
+
+[dev-dependencies]
+nelson = { git = "https://github.com/meilisearch/nelson.git", rev = "675f13885548fb415ead8fbb447e9e6d9314000a"}
+proptest = "1.0.0"
+proptest-derive = "0.3.0"