Added initial data structures and file/config loading code

backend/workingdir/squares/testdata/testdata.toml

@@ -0,0 +1,12 @@
+[meta]
+name = 'Test Bingo'
+reason = 'Because its fucking funny'
+
+[[squares]]
+option = 'This is a test square'
+
+[[squares]]
+option = 'This is a second test square'
+
+[[squares]]
+option = 'This is a third test square'