actually indent array types in toml

add a default config file instead of generation for commenting purposes
add a random gradient placeholder and a converter for legacy colorcodes

proxy/src/main/java/dev/plex/toml/IndentationPolicy.java

@@ -0,0 +1,30 @@
+package dev.plex.toml;
+
+/**
+ * Controls how a {@link TomlWriter} indents tables and key/value pairs.
+ *
+ * The default policy is to not indent.
+ */
+public class IndentationPolicy {
+  private final int tableIndent;
+  private final int keyValueIndent;
+  private final int arrayDelimiterPadding;
+
+  IndentationPolicy(int keyIndentation, int tableIndentation, int arrayDelimiterPadding) {
+    this.keyValueIndent = keyIndentation;
+    this.tableIndent = tableIndentation;
+    this.arrayDelimiterPadding = arrayDelimiterPadding;
+  }
+
+  int getTableIndent() {
+    return tableIndent;
+  }
+
+  int getKeyValueIndent() {
+    return keyValueIndent;
+  }
+
+  int getArrayDelimiterPadding() {
+    return arrayDelimiterPadding;
+  }
+}