Declare DeepDeWedge CC BY 4.0 license in FORMAT 2 manifest

manifest.json

@@ -27,6 +27,11 @@
         "sha256": "34ad426a55592e6da229290e8d5a6e922c7712e2c9c9937582b0317e27681e16",
         "size_bytes": 1343
       },
+      {
+        "path": "LICENSES/DeepDeWedge-Tutorial-Data-CC-BY-4.0.txt",
+        "sha256": "d557539df68e771cc1eedcc91d13f70fca930e508d11eedcafa4b15db49e3744",
+        "size_bytes": 17023
+      },
       {
         "path": "README.md",
         "sha256": "3cffce3987c861bd52a90f5e8c07d16152511b957dc8de4fe79a02da2e270740",