Add uv direnv configuration.

.envrc

@@ -0,0 +1,19 @@
+# -*- mode: sh -*-
+
+layout_python() {
+    if [[ -d ".venv" ]]; then
+        VIRTUAL_ENV="$(pwd)/.venv"
+    fi
+
+    if [[ -z $VIRTUAL_ENV || ! -d $VIRTUAL_ENV ]]; then
+        log_status "No virtual environment exists. Creating it."
+        uv venv
+        uv pip install -r requirements.txt
+        VIRTUAL_ENV="$(pwd)/.venv"
+    fi
+
+    # Activate the virtual environment
+    . $VIRTUAL_ENV/bin/activate
+}
+
+layout python