added devcontainers

ui/.devcontainer/Dockerfile

@@ -0,0 +1,15 @@
+ARG VARIANT=latest
+FROM oven/bun:${VARIANT}
+
+RUN apt-get update \
+    && apt-get -y install --no-install-recommends \
+    ca-certificates \
+    git \
+    nano \
+    vim-tiny \
+    && apt-get auto-remove -y \
+    && apt-get clean -y \
+    && chsh -s $(which bash) bun \
+    && echo 'export PS1="\e[01;32m\u\e[m:\e[01;34m\w\e[m\$ "' >> /home/bun/.bashrc
+
+USER bun

ui/.devcontainer/devcontainer.json

@@ -0,0 +1,10 @@
+{
+  "name": "Bun",
+  "build": {
+    "dockerfile": "Dockerfile",
+    // Update 'VARIANT' to pick a Bun version.
+    "args": {
+      "VARIANT": "latest"
+    }
+  }
+}