Add README.md

README.md

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+# Apollo
+
+## Setup
+```sh
+sudo apt update && sudo apt upgrade -y
+sudo apt install htop i2c-tools
+raspi-config # enable i2c
+```
+
+### MAC fix
+```sh
+MAC_PREFIX="80:86:00"
+
+files=(
+    "/etc/systemd/network/eth0.network"
+    "/etc/systemd/network/wlan0.network"
+)
+
+for file in "${files[@]}"; do
+    if [ -n "$(cat $file | grep MACAddress )" ]; then continue; fi
+    mac_address=$(printf '%02X:%02X:%02X' $((RANDOM % 256)) $((RANDOM % 256)) $((RANDOM % 256)))
+    cat <<EOF >> "$file"
+[Link]
+MACAddress=$MAC_PREFIX:$mac_address
+EOF
+done
+```