Create standard library proof of concept

smnp/library/loader.py

@@ -0,0 +1,9 @@
+from pkg_resources import resource_string
+
+from smnp.program.interpreter import Interpreter
+
+
+def loadStandardLibrary():
+    source = resource_string('smnp.library.code', 'main.mus').decode("utf-8")
+    return Interpreter.interpretString(source)
+