Fix: modularize

But for this we need a ground up (dependencies) overhaul.

Author: cstamas

src/main/java/module-info.java

@@ -0,0 +1,9 @@
+module java.ipfs.http.client {
+    requires io.ipfs.multibase;
+    requires io.ipfs.multihash;
+    requires io.ipfs.multiaddr;
+    requires io.ipfs.cid;
+
+    exports io.ipfs.api;
+    exports io.ipfs.api.cbor;
+}