BERT Wasm (#902)

* implement wasm module

* add example to workspace

* add UI explore semantic similiarity

* change status messages

* formatting

* minor changes

candle-wasm-examples/bert/src/lib.rs

@@ -0,0 +1,20 @@
+use candle_transformers::models::bert;
+use wasm_bindgen::prelude::*;
+
+pub use bert::{BertModel, Config, DTYPE};
+pub use tokenizers::{PaddingParams, Tokenizer};
+
+#[wasm_bindgen]
+extern "C" {
+    // Use `js_namespace` here to bind `console.log(..)` instead of just
+    // `log(..)`
+    #[wasm_bindgen(js_namespace = console)]
+    pub fn log(s: &str);
+}
+
+#[macro_export]
+macro_rules! console_log {
+    // Note that this is using the `log` function imported above during
+    // `bare_bones`
+    ($($t:tt)*) => ($crate::log(&format_args!($($t)*).to_string()))
+}