Add slack_bot docker image (#933)

examples/slack_bot/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.11-slim
+
+WORKDIR /usr/src/
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+COPY . .
+
+EXPOSE 8000
+
+CMD ["python", "-m", "embedchain.bots.slack", "--port", "8000"]

examples/slack_bot/requirements.txt

@@ -0,0 +1 @@
+embedchain[slack, poe]==0.1.7