Add README to scripts package

scripts/README.md

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+# Skynet Webportal Scripts
+
+This package contains useful scripts for managing a Skynet Webportal.
+
+## Available Scripts 
+**blocklist-skylink.sh**\
+The `blocklist-skylink.sh` script adds a skylink to the blocklist on all
+servers.
+
+**maintenance-upgrade.sh**\
+The `maintenance-upgrade.sh` script upgrades the docker images for nodes on
+a maintenance server.
+
+**portal-down.sh**\
+The `portal-down.sh` script takes a portal out of the load balancer by disabling
+the health check.
+
+**portal-restart.sh**\
+The `portal-restart.sh` script restarts a portal by taking it out of the load
+balancer, restarting the docker containers, and adding the portal back to the
+load balancer.
+
+**portal-up.sh**\
+The `portal-up.sh` script puts a portal back into the load balancer by enabling
+the health check.
+
+**portal-upgrade.**\
+The `portal-upgrade.sh` script upgrades the docker images for a portal and
+clears and leftover images.
+
+## Webportal Upgrade Procedures
+TODO...
+1. 1 server upgraded at a time
+1. Clusters of servers upgraded at a time
+1. How to safetly revert to previous stable version. Document what those
+   versions were.
+1. Upgrading single subsystem
+1. Upgrading multiple subsystems
+