add minimal config file

config-minimal.conf

@@ -0,0 +1,25 @@
+# Read build script documentation https://docs.armbian.com/Developer-Guide_Build-Options/
+# for detailed explanation of these options and for additional options not listed here
+
+KERNEL_ONLY="no"				# leave empty to select each time, set to "yes" or "no" to skip dialog prompt
+KERNEL_CONFIGURE="no"			# leave empty to select each time, set to "yes" or "no" to skip dialog prompt
+CLEAN_LEVEL="make,alldebs,cache,oldcache,sources"	# comma-separated list of clean targets: "make" = make clean for selected kernel and u-boot,
+					# "debs" = delete packages in "./output/debs" for current branch and family,
+					# "alldebs" = delete all packages in "./output/debs", "images" = delete "./output/images",
+					# "cache" = delete "./output/cache", "sources" = delete "./sources"
+					# "oldcache" = remove old cached rootfs except for the newest 8 files
+
+DEST_LANG="en_US.UTF-8"			# sl_SI.UTF-8, en_US.UTF-8
+
+# advanced
+EXTERNAL_NEW="prebuilt"			# compile and install or install prebuilt additional packages
+INSTALL_HEADERS="no"			# install kernel headers package			# change to "branchname" to use any branch currently available.
+USE_TORRENT="yes"			# use torrent network for faster toolchain and cache download
+DOWNLOAD_MIRROR=""			# set to "china" to use mirrors.tuna.tsinghua.edu.cn
+CARD_DEVICE=""				# device name /dev/sdx of your SD card to burn directly to the card when done
+FORCE_CHECKOUT="no"
+EXPERT="yes"
+BUILD_DESKTOP="no"
+RELEASE="focal"
+BUILD_MINIMAL="yes"
+BRANCH="current"