25: Start adding Float Type

src/main/java/de/hsrm/compiler/Klang/nodes/expressions/FloatExpression.java

@@ -0,0 +1,16 @@
+package de.hsrm.compiler.Klang.nodes.expressions;
+
+import de.hsrm.compiler.Klang.visitors.Visitor;
+
+public class FloatExpression extends Expression {
+    public double value;
+
+    public FloatExpression(double value) {
+        this.value = value;
+    }
+
+    @Override
+    public <R> R welcome(Visitor<R> v) {
+        return v.visit(this);
+    }
+}