make fabric entry points wired through an adapter

src/main/java/dev/zprestige/prestige/inject/Bootstrap.java

@@ -1,10 +1,9 @@
 package dev.zprestige.prestige.inject;
 
-import dev.zprestige.prestige.client.Prestige;
 import dev.zprestige.prestige.engine.EnginePlugin;
 import dev.zprestige.prestige.engine.EngineState;
+import dev.zprestige.prestige.fabric.FabricEntrypoints;
 import dev.zprestige.prestige.hooks.Definer;
-import dev.zprestige.prestige.ui.mc.Entry;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashSet;
@@ -297,8 +296,9 @@ public final class Bootstrap {
 
     private static void initClient() {
         try {
-            new Prestige().onInitialize();
-            new Entry().onInitializeClient();
+            FabricEntrypoints entrypoints = new FabricEntrypoints();
+            entrypoints.onInitialize();
+            entrypoints.onInitializeClient();
             log("client initialised");
         } catch (Throwable t) {
             log("client init failed: " + t);