refactor: split AWS AMI metadata MD and CSV files per AlmaLinux release

- add the script to merge several MD and CSV files
- call the script on documentation "prebuild"

Author: yuravk

aws_amis_md_csv_merge.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# description: Merge multiple AWS AMI metadata CSV ad MD files into one.
+#
+# All docs/cloud/AWS_AMIS_*.md are merged into docs/cloud/AWS_AMIS.md
+# All docs/.vuepress/public/ci-data/aws_amis_*.csv are merged into docs/.vuepress/public/ci-data/aws_amis.csv
+#
+# In both cases, AlmaLinux newer versions go first, and the files are merged in descending order.
+# The MD files are merged by skipping the header line in all but the first file.
+
+# Merge csv files: just concatenate them
+csv_data_dir="docs/.vuepress/public/ci-data"
+cat ${csv_data_dir}/aws_amis_{10..8}.csv > ${csv_data_dir}/aws_amis.csv
+
+# Merge md files: first one is taking all the lines, and the rest are skipping the header 2 lines
+md_data_dir="docs/cloud"
+( cat ${md_data_dir}/AWS_AMIS_10.md; tail -q -n +3 ${md_data_dir}/AWS_AMIS_{9..8}.md ) > ${md_data_dir}/AWS_AMIS.md
+# Make the md file prettier
+npx prettier --parser markdown --write ${md_data_dir}/AWS_AMIS.md