- Added Missing Functions For DataConverter

After the test, it turns out the config init Functions
are missing in the type, so I have added it such
that we can have a more convenient way to declare
the converter.

Author: Logickin-Lambda

src/zaudio.c

@@ -689,6 +689,11 @@ void zaudioDataConverterConfigInit(
     *out_config = ma_data_converter_config_init(formatIn, formatOut, channelsIn, channelsOut, sampleRateIn, sampleRateOut);
 }
 
+void zaudioDataConverterConfigInitDefault(ma_data_converter_config* out_config){
+    assert(out_config != NULL);
+    *out_config = ma_data_converter_config_init_default();
+}
+
 // ma_data_converter
 ma_result zaudioDataConverterCreate(
     ma_data_converter_config* config,

src/zaudio.zig

@@ -874,6 +874,43 @@ pub const DataConverter = opaque {
         channel_weighs_io_ptr: [*][*]f32, // [in][out]. Only used when mixingMode is set to ma_channel_mix_mode_custom_weights.
         allow_dynamic_sample_rate: u32,
         resampling: Resampler.Config,
+
+        pub fn initDefault() Config {
+            var config: Config = undefined;
+            zaudioDataConverterConfigInitDefault(&config);
+            return config;
+        }
+        extern fn zaudioDataConverterConfigInitDefault(out_config: *Config) void;
+
+        pub fn init(
+            format_in: Format,
+            format_out: Format,
+            channels_in: u32,
+            channels_out: u32,
+            sample_rate_in: u32,
+            sample_rate_out: u32,
+        ) Config {
+            var config: Config = undefined;
+            zaudioDataConverterConfigInit(
+                format_in,
+                format_out,
+                channels_in,
+                channels_out,
+                sample_rate_in,
+                sample_rate_out,
+                &config,
+            );
+            return config;
+        }
+        extern fn zaudioDataConverterConfigInit(
+            format_in: Format,
+            format_out: Format,
+            channels_in: u32,
+            channels_out: u32,
+            sample_rate_in: u32,
+            sample_rate_out: u32,
+            out_config: *Config,
+        ) void;
     };
 };