chore: create initial config dockerfile

Dockerfile

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+FROM docker:20.10
+WORKDIR /home/librex
+
+# Docker metadata contains information about the maintainer, such as the name, repository, and support email
+# Please add any necessary information or correct any incorrect information
+# See more: https://docs.docker.com/config/labels-custom-metadata/
+LABEL name="LibreX" \
+      description="Framework and javascript free privacy respecting meta search engine" \
+      version="1.0" \
+      vendor="Hnhx Femboy<femboy.hu>" \
+      url="https://github.com/hnhx/librex" \
+      usage="https://github.com/hnhx/librex/wiki" \
+      authors="https://github.com/hnhx/librex/contributors"
+
+# Include arguments as temporary environment variables to be handled by Docker during the image build process
+# Change or add new arguments to customize the image generated by 'docker build' command
+ARG DOCKER_SCRIPTS=".docker"
+
+# Customize the environment during both execution and build time by modifying the environment variables added to the container's shell
+# When building your image, make sure to set the 'TZ' environment variable to your desired time zone location, for example 'America/Sao_Paulo'
+# See more: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List
+ENV TZ="America/New_York"
+ENV PATH="/docker/bin:$PATH"
+ENV OPENSEARCH_HOST="http://localhost:80"
+
+# Include docker scripts, docker images, and the 'GNU License' in the Librex container
+ADD "${DOCKER_SCRIPTS}/*" "/docker/"
+ADD "LICENSE" "/docker/LICENSE"