Make a proper prism instance pack for the config

prism/instance.cfg

@@ -0,0 +1,11 @@
+[General]
+ConfigVersion=1.2
+ExportAuthor=
+ExportName=Minecraft through the ages
+ExportOptionalFiles=true
+ExportSummary=
+ExportVersion=1.0.0
+InstanceType=OneSix
+JoinServerOnLaunch=true
+JoinServerOnLaunchAddress=127.0.0.1
+name=Minecraft through the ages

prism/mmc-pack.json

@@ -0,0 +1,13 @@
+{
+    "components": [
+        {
+            "important": true,
+            "uid": "net.minecraft",
+            "version": "a1.1.2_01"
+        },
+        {
+            "uid": "org.multimc.custom.fakeonline"
+        }
+    ],
+    "formatVersion": 1
+}

prism/pack.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+zip -9r 'Minecraft through the ages.zip' \
+    patches \
+    instance.cfg \
+    mmc-pack.json