Added a progress bar utility

Plan/src/main/java/com/djrapitops/plan/utilities/html/graphs/ProgressBar.java

@@ -0,0 +1,39 @@
+package com.djrapitops.plan.utilities.html.graphs;
+
+import com.djrapitops.plan.data.store.mutators.formatting.Formatters;
+
+/**
+ * Utility for creating ProgressBars.
+ *
+ * @author Rsl1122
+ */
+public class ProgressBar {
+
+    private final int obtained;
+    private final int max;
+
+    private final String color;
+
+    public ProgressBar(int obtained, int max) {
+        this(obtained, max, "teal");
+    }
+
+    public ProgressBar(int obtained, int max, String color) {
+        this.obtained = obtained;
+        this.max = max;
+        this.color = color;
+    }
+
+    public String toHtml() {
+        double percentage = obtained * 1.0 / max;
+        int percentageRounded = (int) percentage;
+
+        return "<div class=\"progress\"><div class=\"progress-bar bg-" + color + "\" role=\"progressbar\"" +
+                " aria-valuenow=\"" + obtained + "\"" +
+                " aria-valuemin=\"0\" aria-valuemax=\"" + max + "\"" +
+                " style=\"width: " + percentageRounded + "%;\">" +
+                obtained + " / " + max + " (" + Formatters.percentage().apply(percentage) + ")" +
+                "</div></div>";
+    }
+
+}