Fix Docker Image building with Steam Token Dumper, unify different Arches into one Dockerfile (#1845)

* Pass STEAM_TOKEN_DUMPER_TOKEN as --build-arg

* Unify different ARCHs Dockerfiles

hooks/build

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# no - in tag means we build amd64
+if [[ $DOCKER_TAG =~ "-" ]]; then
+  case ${DOCKER_TAG#*-} in
+    arm)
+      BUILD_ARCH=arm
+      TAG_ARCH="-arm32v7"
+      ;;
+    arm64)
+      BUILD_ARCH=arm64
+      TAG_ARCH="-arm64v8"
+      ;;
+  esac
+else
+  BUILD_ARCH=x64
+  # needs to be blank cause dotnet images have no suffix for amd64
+  TAG_ARCH=
+fi
+
+docker build -f $DOCKERFILE_PATH -t $IMAGE_NAME . \
+  --build-arg STEAM_TOKEN_DUMPER_TOKEN=$STEAM_TOKEN_DUMPER_TOKEN \
+  --build-arg BUILD_ARCH=$BUILD_ARCH \
+  --build-arg TAG_ARCH=$TAG_ARCH