Add LLama 3.2 1B and 3B lightweight models descriptions (#130)

* Add LLama 3.2 1B and 3B lightweight models

* Add LLama 3.2 1B and 3B lightweight models

* Fix formatting

Author: jsmp

Libraries/LLM/Models.swift

@@ -229,6 +229,22 @@ extension ModelConfiguration {
         "<|begin_of_text|><|start_header_id|>system<|end_header_id|>\nYou are a helpful assistant<|eot_id|>\n<|start_header_id|>user<|end_header_id|>\n\(prompt)<|eot_id|>\n<|start_header_id|>assistant<|end_header_id|>"
     }
 
+    public static let llama3_2_1B_4bit = ModelConfiguration(
+        id: "mlx-community/Llama-3.2-1B-Instruct-4bit",
+        defaultPrompt: "What is the difference between a fruit and a vegetable?"
+    ) {
+        prompt in
+        "<|begin_of_text|><|start_header_id|>system<|end_header_id|>\nYou are a helpful assistant<|eot_id|>\n<|start_header_id|>user<|end_header_id|>\n\(prompt)<|eot_id|>\n<|start_header_id|>assistant<|end_header_id|>"
+    }
+
+    public static let llama3_2_3B_4bit = ModelConfiguration(
+        id: "mlx-community/Llama-3.2-3B-Instruct-4bit",
+        defaultPrompt: "What is the difference between a fruit and a vegetable?"
+    ) {
+        prompt in
+        "<|begin_of_text|><|start_header_id|>system<|end_header_id|>\nYou are a helpful assistant<|eot_id|>\n<|start_header_id|>user<|end_header_id|>\n\(prompt)<|eot_id|>\n<|start_header_id|>assistant<|end_header_id|>"
+    }
+
     private enum BootstrapState: Sendable {
         case idle
         case bootstrapping
@@ -245,6 +261,8 @@ extension ModelConfiguration {
             bootstrapState = .bootstrapping
             register(configurations: [
                 llama3_1_8B_4bit,
+                llama3_2_1B_4bit,
+                llama3_2_3B_4bit,
                 mistralNeMo4bit,
                 smolLM_135M_4bit,
                 mistral7B4bit,

mlx-swift-examples.xcodeproj/project.pbxproj

@@ -3555,7 +3555,7 @@
 			repositoryURL = "https://github.com/huggingface/swift-transformers";
 			requirement = {
 				kind = upToNextMajorVersion;
-				minimumVersion = 0.1.9;
+				minimumVersion = 0.1.12;
 			};
 		};
 		C392736E2B60699100368D5D /* XCRemoteSwiftPackageReference "swift-argument-parser" */ = {