Update Dockerfile, Update CI PR, use scripts to download twitchdownloader

docker-utils/fetch-twitchdownloader.sh

@@ -0,0 +1,39 @@
+!/bin/sh
+
+# THANK YOU TALULAH (https://github.com/nottalulah) for your help in figuring this out
+# and also optimizing some code with this commit.
+# xoxo :D
+
+case $(uname -m) in
+  x86_64)
+    ARCH=Linux-x64;;
+  aarch64)
+    ARCH=LinuxArm64;;
+  armhf)
+    ARCH=LinuxArm;;
+  armv7)
+    ARCH=LinuxArm;;
+  armv7l)
+    ARCH=LinuxArm;;
+  *)
+    echo "Unsupported architecture: $(uname -m)"
+    exit 1
+esac
+
+echo "(INFO) Architecture detected: $ARCH"
+echo "(1/5) READY - Install unzip"
+apt-get update && apt-get -y install unzip curl jq libicu66
+VERSION=$(curl --silent "https://api.github.com/repos/lay295/TwitchDownloader/releases/latest" | jq -r .tag_name)
+echo "(2/5) DOWNLOAD - Acquire twitchdownloader"
+curl -o twitchdownloader.zip \
+    --connect-timeout 5 \
+    --max-time 120 \
+    --retry 5 \
+    --retry-delay 0 \
+    --retry-max-time 40 \
+    -L "https://github.com/lay295/TwitchDownloader/releases/download/$VERSION/TwitchDownloaderCLI-$VERSION-$ARCH.zip"
+unzip twitchdownloader.zip
+chmod +x TwitchDownloaderCLI
+echo "(3/5) Smoke test"
+./TwitchDownloaderCLI --help
+cp ./TwitchDownloaderCLI /usr/local/bin/TwitchDownloaderCLI