Resolve "Add gitlab CI automatic build"

Closes #1 (closed)

ci/01-build/01_build_documents.sh

+#!/bin/bash
+
+# will run only in a docker env
+[[ ! -e /.dockerenv ]] && exit 0
+
+# Display debug in console
+if [ -n "${DEBUG}" ]; then
+    set -xe
+fi
+
+BUILD_FOLDER="technical-testing"
+mkdir -p "${BUILD_FOLDER}"
+
+# Concat all markdown documents
+cat ./??_*.md > ${BUILD_FOLDER}/TECHNICAL_TESTING.md
+
+# Build formatted documents
+pandoc --from=markdown --to=odt     --output=${BUILD_FOLDER}/TECHNICAL_TESTING.odt ${BUILD_FOLDER}/TECHNICAL_TESTING.md
+pandoc --from=markdown --to=latex   --output=${BUILD_FOLDER}/TECHNICAL_TESTING.pdf ${BUILD_FOLDER}/TECHNICAL_TESTING.md