Add Kotlin and Java API for homophone replacer (#2166)

* Add Kotlin API for homonphone replacer

* Add Java API for homonphone replacer

sherpa-onnx/java-api/src/com/k2fsa/sherpa/onnx/HomophoneReplacerConfig.java

@@ -0,0 +1,56 @@
+// Copyright 2025 Xiaomi Corporation
+
+package com.k2fsa.sherpa.onnx;
+
+public class HomophoneReplacerConfig {
+    private final String dictDir;
+    private final String lexicon;
+    private final String ruleFsts;
+
+    private HomophoneReplacerConfig(Builder builder) {
+        this.dictDir = builder.dictDir;
+        this.lexicon = builder.lexicon;
+        this.ruleFsts = builder.ruleFsts;
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public String getDictDir() {
+        return dictDir;
+    }
+
+    public String getLexicon() {
+        return lexicon;
+    }
+
+    public String getRuleFsts() {
+        return ruleFsts;
+    }
+
+    public static class Builder {
+        private String dictDir = "";
+        private String lexicon = "";
+        private String ruleFsts = "";
+
+        public HomophoneReplacerConfig build() {
+            return new HomophoneReplacerConfig(this);
+        }
+
+        public Builder setDictDir(String dictDir) {
+            this.dictDir = dictDir;
+            return this;
+        }
+
+        public Builder setLexicon(String lexicon) {
+            this.lexicon = lexicon;
+            return this;
+        }
+
+        public Builder setRuleFsts(String ruleFsts) {
+            this.ruleFsts = ruleFsts;
+            return this;
+        }
+    }
+}