add functions to parse vaa to price info (#37)

* add functions to parse vaa to price info

* bump

* add comments

* address comments

* add suport for base64 encoding for parseVaa

* add test for base64 vaa

* fix encode_vaa_for_chain

* add test for encode_vaa_for_chain

Author: cctdaniel

.gitignore

@@ -1,6 +1,13 @@
 # Created by https://www.toptal.com/developers/gitignore/api/python
 # Edit at https://www.toptal.com/developers/gitignore?templates=python
 
+
+# VS Code
+.vscode/
+
+# MacOS 
+.DS_Store
+
 ### Python ###
 # Byte-compiled / optimized / DLL files
 __pycache__/