migrated the frontend file generation, changed folder structure

backend/Dockerfile

@@ -0,0 +1,20 @@
+
+FROM ubuntu:22.04
+# Install openbabel and python
+RUN apt-get update \
+    && apt-get install --yes --quiet --no-install-recommends \
+    openbabel \
+    python3 \
+    python3-pip \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /var/local
+
+COPY requirements.txt .
+
+# Install dependencies
+RUN /usr/bin/python3 -m pip install --no-cache-dir -r requirements.txt
+
+COPY src .
+
+CMD uvicorn app:app --host 0.0.0.0 --port ${PORT} --log-level warning