Add script to create the first block

scripts/test.py

@@ -0,0 +1,13 @@
+from block import Block
+from datetime import datetime
+
+
+def initialize_block():
+    # index zero and arbitrary previous hash
+    block_data = {}
+    block_data['index'] = 0
+    block_data['timestamp'] = datetime.now()
+    block_data['data'] = 'First block data'
+    block_data['prev_hash'] = None
+    block = Block(block_data)
+    return block