feat: add embeddings and training crates

Add new foundational crates for future AI capabilities:

- Add crates/embeddings/ for embedding generation and semantic search
- Add crates/training/ for model training and fine-tuning
- Update Cargo.lock with new dependencies
- Both crates are currently stub implementations for future development

Author: Gabriel

Cargo.lock

@@ -0,0 +1 @@
+/target

crates/embeddings/.gitignore

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+[package]
+name = "orbit-embeddings"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+publish.workspace = true
+
+[dependencies]
+
+[lints]
+workspace = true

crates/embeddings/Cargo.toml

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+# Orbit Embeddings
+
+Embedding generation and semantic search capabilities for the Orbit ecosystem.
+
+## Status
+
+This crate is currently a stub and contains minimal functionality. It is intended for future development of embedding generation, semantic code search, and context optimization features.
+
+## Usage
+
+This crate is not yet functional for production use.

crates/embeddings/README.md

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+//! # Orbit Embeddings
+//! 
+//! This crate provides embedding generation and semantic search capabilities for the Orbit system.
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        let result = 2 + 2;
+        assert_eq!(result, 4);
+    }
+}

crates/embeddings/src/lib.rs

@@ -0,0 +1 @@
+/target

crates/training/.gitignore

@@ -0,0 +1,11 @@
+[package]
+name = "orbit-training"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+publish.workspace = true
+
+[dependencies]
+
+[lints]
+workspace = true

crates/training/Cargo.toml

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+# Orbit Training
+
+Model training and fine-tuning capabilities for the Orbit ecosystem.
+
+## Status
+
+This crate is currently a stub and contains minimal functionality. It is intended for future development of model training, fine-tuning, and agent specialization features.
+
+## Usage
+
+This crate is not yet functional for production use.

crates/training/README.md

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+//! # Orbit Training
+//! 
+//! This crate provides model training and fine-tuning capabilities for the Orbit system.
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        let result = 2 + 2;
+        assert_eq!(result, 4);
+    }
+}