ESM-C Part I (#66)

* initial Rust conversion

* example to load the code

* add pretrained file and deps

* get all the high level imports sorted

* more files for downloading and pretraining

* more fns enough to load the data

* add constants and AddedToken

* work on loading ESMC300M

* update cargo and tokenizers

* surfacing VarBuilder params to the top 

* Move down form the top implementing the LOAD fn.

* update loading in Swiglu; attention, blocks, FFN, 

* turn off esm for tests

Cargo.toml

@@ -3,6 +3,7 @@ members = [
     "ferritin-bevy",
     "ferritin-cellscape",
     "ferritin-core",
+    "ferritin-esm",
     "ferritin-amplify",
     "ferritin-ligandmpnn",
     "ferritin-molviewspec",

ferritin-esm/Cargo.toml

@@ -0,0 +1,33 @@
+[package]
+name = "ferritin-esm"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+description.workspace = true
+
+[features]
+metal = ["candle-core/metal", "candle-nn/metal", "candle-metal-kernels"]
+
+[dependencies]
+anyhow.workspace = true
+candle-core = { git = "https://github.com/huggingface/candle.git", package = "candle-core", features = [
+] }
+candle-hf-hub = "0.3.3"
+candle-nn = { git = "https://github.com/huggingface/candle.git", package = "candle-nn" }
+ferritin-test-data = { path = "../ferritin-test-data" }
+rand = "0.8.5"
+safetensors = "0.4.5"
+tokenizers = "0.21.0"
+
+[target.'cfg(target_os = "macos")'.features]
+metal = []
+
+[target.'cfg(target_os = "macos")'.dependencies]
+candle-metal-kernels = { git = "https://github.com/huggingface/candle.git", package = "candle-metal-kernels", optional = true }
+
+[dev-dependencies]
+candle-examples = { git = "https://github.com/huggingface/candle.git", package = "candle-examples" }
+ferritin-test-data = { path = "../ferritin-test-data" }
+assert_cmd = "2.0.16"
+tempfile = "3.14.0"