Move crates under a sub folder to clean up the code

crates/milli/src/vector/manual.rs

@@ -0,0 +1,40 @@
+use super::error::EmbedError;
+use super::{DistributionShift, Embeddings};
+
+#[derive(Debug, Clone, Copy)]
+pub struct Embedder {
+    dimensions: usize,
+    distribution: Option<DistributionShift>,
+}
+
+#[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
+pub struct EmbedderOptions {
+    pub dimensions: usize,
+    pub distribution: Option<DistributionShift>,
+}
+
+impl Embedder {
+    pub fn new(options: EmbedderOptions) -> Self {
+        Self { dimensions: options.dimensions, distribution: options.distribution }
+    }
+
+    pub fn embed(&self, mut texts: Vec<String>) -> Result<Vec<Embeddings<f32>>, EmbedError> {
+        let Some(text) = texts.pop() else { return Ok(Default::default()) };
+        Err(EmbedError::embed_on_manual_embedder(text.chars().take(250).collect()))
+    }
+
+    pub fn dimensions(&self) -> usize {
+        self.dimensions
+    }
+
+    pub fn embed_chunks(
+        &self,
+        text_chunks: Vec<Vec<String>>,
+    ) -> Result<Vec<Vec<Embeddings<f32>>>, EmbedError> {
+        text_chunks.into_iter().map(|prompts| self.embed(prompts)).collect()
+    }
+
+    pub fn distribution(&self) -> Option<DistributionShift> {
+        self.distribution
+    }
+}