add velocity

the server now utilizes the velocity proxy for
- domain based connection instead of ports (called forced-hosts in velocity)
- a fancy motd message indicating when only the minecraft server is down, but not the host system

server/velocity/velocity.toml

@@ -0,0 +1,39 @@
+# Config version. Do not change this
+config-version = "2.7"
+
+# What should be the MOTD? This gets displayed when the player adds your server to
+# their server list. Only MiniMessage format is accepted.
+motd = "<#09add3>The Server is down (╯°□°)╯︵ ┻━┻"
+
+# Should we forward IP addresses and other data to backend servers?
+# Available options:
+# - "none":        No forwarding will be done. All players will appear to be connecting
+#                  from the proxy and will have offline-mode UUIDs.
+# - "legacy":      Forward player IPs and UUIDs in a BungeeCord-compatible format. Use this
+#                  if you run servers using Minecraft 1.12 or lower.
+# - "bungeeguard": Forward player IPs and UUIDs in a format supported by the BungeeGuard
+#                  plugin. Use this if you run servers using Minecraft 1.12 or lower, and are
+#                  unable to implement network level firewalling (on a shared host).
+# - "modern":      Forward player IPs and UUIDs as part of the login process using
+#                  Velocity's native forwarding. Only applicable for Minecraft 1.13 or higher.
+player-info-forwarding-mode = "modern"
+
+[servers]
+# Configure your servers here. Each key represents the server's name, and the value
+# represents the IP address of the server to connect to.
+#lobby = "127.0.0.1:30066"
+#factions = "127.0.0.1:30067"
+#minigames = "127.0.0.1:30068"
+mms = "host.containers.internal:25566"
+# In what order we should try servers when a player logs in or is kicked from a server.
+try = [
+    "mms"
+]
+
+[forced-hosts]
+"nanody.de" = [
+    "mms"
+]
+"mms.nanody.de" = [
+    "mms"
+]