Set up and integrated HEMTT for easier dev workflow. Adjusted core addon name 'logistics' to 'main'. Fixed several issues caught by HEMTT

.hemtt/project.toml

@@ -0,0 +1,9 @@
+name = "Clarkson's Logi Framework"
+author = "Clarky"
+prefix = "clf"
+mainprefix = "z"
+
+[files]
+include = [
+    "LICENSE"
+]