Chore: Add fetch poky script

package.json

@@ -24,7 +24,7 @@
 		"postinstall": "cd server && npm install && cd ../client && npm install",
 		"fetch": "npm run fetch:poky && npm run fetch:docs",
 		"fetch:docs": "sh scripts/fetch-docs.sh",
-		"fetch:poky": "mkdir -p resources/poky && curl -L -o resources/poky.tar.bz2 https://downloads.yoctoproject.org/releases/yocto/yocto-4.2.3/poky-aa63b25cbe25d89ab07ca11ee72c17cab68df8de.tar.bz2 && tar -xvjf resources/poky.tar.bz2 -C resources",
+		"fetch:poky": "sh scripts/fetch-poky.sh",
 		"compile": "npm run installServer && tsc -b",
 		"watch": "npm run installServer && tsc -b -w",
 		"installServer": "cd server && npm run installServer",

scripts/fetch-poky.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -e
+
+# The latest tag starts with 'yocto' is easier to get from the 'yocto-docs' than from 'poky'
+git clone --depth 1 --filter=blob:none --sparse https://git.yoctoproject.org/yocto-docs
+cd yocto-docs
+git fetch --tags
+TMP_TAG=$(git tag | tail -n 1)
+cd ..
+rm -rf yocto-docs
+
+git clone --depth 1 --filter=blob:none --sparse https://github.com/yoctoproject/poky.git
+cd poky
+git fetch --tags
+LASTEST_RELEASE=$(git show $TMP_TAG | grep commit | sed "s/^commit //")
+LINK="https://downloads.yoctoproject.org/releases/yocto/$TMP_TAG/poky-$LASTEST_RELEASE.tar.bz2"
+cd ..
+rm -rf poky
+
+mkdir -p resources/poky
+curl -L -o resources/poky.tar.bz2 $LINK 
+tar -xvjf resources/poky.tar.bz2 -C resources