added gitpod config file to setup mongodb and tools

.gitpod.dockerfile

@@ -0,0 +1,34 @@
+FROM gitpod/workspace-base
+
+USER gitpod
+
+# Dazzle does not rebuild a layer until one of its lines are changed. Increase this counter to rebuild this layer.
+ENV TRIGGER_REBUILD=1
+
+# Install MongoDB
+# Source: https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu-tarball/#install-mongodb-community-edition
+RUN mkdir -p /tmp/mongodb && \
+    cd /tmp/mongodb && \
+    wget -qOmongodb.tgz https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu2004-5.0.8.tgz && \
+    tar xf mongodb.tgz && \
+    cd mongodb-* && \
+    sudo cp bin/* /usr/local/bin/ && \
+    rm -rf /tmp/mongodb && \
+    sudo mkdir -p /data/db && \
+    sudo chown gitpod:gitpod -R /data/db
+
+# Install tools
+RUN sudo apt-get install gnupg && \
+    wget -qO - https://www.mongodb.org/static/pgp/server-5.0.asc | sudo apt-key add -
+RUN echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/5.0 multiverse" | \
+    sudo tee /etc/apt/sources.list.d/mongodb-org-5.0.list
+
+RUN sudo apt-get update && sudo apt-get install -y mongodb-mongosh
+
+RUN mkdir -p /tmp/mongodb-tools && \
+    cd /tmp/mongodb-tools && \
+    wget -qOtools.tgz https://fastdl.mongodb.org/tools/db/mongodb-database-tools-ubuntu2004-x86_64-100.5.2.tgz && \
+    tar xf tools.tgz && \
+    cd mongodb-* && \
+    sudo cp bin/* /usr/local/bin/ && \
+    rm -rf /tmp/mongodb-tools

.gitpod.yml

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+image:
+  file: .gitpod.dockerfile
+
+tasks:
+  - command: mkdir -p /workspace/data && mongod --dbpath /workspace/data