Clean repo for open source release

Remove build artifacts, dev tool configs, unused dependencies,
and third-party source dumps. Add proper README, update .gitignore,
clean up Makefile.

src/main/java/com/tiedup/remake/items/base/BlindfoldVariant.java

@@ -0,0 +1,48 @@
+package com.tiedup.remake.items.base;
+
+/**
+ * Enum defining all blindfold variants.
+ * Used by GenericBlindfold to create blindfold items via factory pattern.
+ *
+ * <p><b>Issue #12 fix:</b> Added textureSubfolder to eliminate string checks in renderers.
+ */
+public enum BlindfoldVariant {
+    CLASSIC("classic_blindfold", true, "blindfolds"),
+    MASK("blindfold_mask", true, "blindfolds/mask");
+
+    private final String registryName;
+    private final boolean supportsColor;
+    private final String textureSubfolder;
+
+    BlindfoldVariant(
+        String registryName,
+        boolean supportsColor,
+        String textureSubfolder
+    ) {
+        this.registryName = registryName;
+        this.supportsColor = supportsColor;
+        this.textureSubfolder = textureSubfolder;
+    }
+
+    public String getRegistryName() {
+        return registryName;
+    }
+
+    /**
+     * Check if this blindfold variant supports color variations.
+     * Both variants support colors in the original mod.
+     */
+    public boolean supportsColor() {
+        return supportsColor;
+    }
+
+    /**
+     * Get the texture subfolder for this blindfold variant.
+     * Used by renderers to locate texture files.
+     *
+     * @return Subfolder path under textures/entity/bondage/ (e.g., "blindfolds", "blindfolds/mask")
+     */
+    public String getTextureSubfolder() {
+        return textureSubfolder;
+    }
+}