new: [minecraft] support of ``whitelist`` option

minecraft/hooks/init

@@ -23,3 +23,7 @@ threads=$(options-get threads) || exit 1
 mem=$(options-get mem) || exit 1
 
 minecraft:init-command "$threads" "$mem"
+
+
+whitelist=$(options-get whitelist) || true
+minecraft:make-whitelist "$whitelist"

minecraft/lib/common

@@ -37,3 +37,15 @@ $SERVICE_NAME:
 "
     echo "eula=TRUE" > "$SERVICE_DATASTORE/${MINECRAFT_DATA}/eula.txt"
 }
+
+
+minecraft:make-whitelist() {
+    local whitelist="$1"
+
+    {
+        e "$whitelist" |
+            yq -o=json \
+               'to_entries | map({"uuid": .key, "name": .value})'
+    } > "$SERVICE_DATASTORE/${MINECRAFT_DATA}/whitelist.json"
+
+}