NOISSUE Fail launch if minimum Java requirement is not met

This will fail launch in the following conditions:
  1. A version greater than or equal to Minecraft 17w13a, and less than
     21w19a - and the Java version is less than 8.
  2. A version greater than or equal to Minecraft 21w19a - and the Java
     version is less than 16.

api/logic/minecraft/launch/VerifyJavaInstall.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <launch/LaunchStep.h>
+
+class VerifyJavaInstall : public LaunchStep {
+    Q_OBJECT
+
+public:
+    explicit VerifyJavaInstall(LaunchTask *parent) : LaunchStep(parent) {
+    };
+    ~VerifyJavaInstall() override = default;
+
+    void executeTask() override;
+    bool canAbort() const override {
+        return false;
+    }
+};