add reshape codec

split up functions in reshape to make more readable

split up resolveOutputShape

Author: konstibob

src/main/java/dev/zarr/zarrjava/v3/codec/CodecBuilder.java

@@ -64,6 +64,15 @@ public CodecBuilder withTranspose(int[] order) {
         return this;
     }
 
+    /**
+     * Adds a {@code reshape} codec. Each entry of {@code shape} must be a positive {@link Integer}, the
+     * special value {@code -1} (at most once), or an {@code int[]} / array of input dimension indices.
+     */
+    public CodecBuilder withReshape(Object[] shape) {
+        codecs.add(new ReshapeCodec(new ReshapeCodec.Configuration(shape)));
+        return this;
+    }
+
     public CodecBuilder withBytes(Endian endian) {
         if (dataType.getByteCount() <= 1)
             codecs.add(new BytesCodec());

src/main/java/dev/zarr/zarrjava/v3/codec/CodecRegistry.java

@@ -12,6 +12,7 @@ public class CodecRegistry {
 
     static {
         addType("transpose", TransposeCodec.class);
+        addType("reshape", ReshapeCodec.class);
         addType("bytes", BytesCodec.class);
         addType("blosc", BloscCodec.class);
         addType("gzip", GzipCodec.class);