Fix DI bugs; implement general logging service

lib/src/unit/Scaffolding.ts

@@ -0,0 +1,30 @@
+import LifecycleUnit from '../lifecycle/Unit.ts'
+import { Unit } from '../lifecycle/decorators.ts'
+import { dotenv } from '../external/std.ts'
+import { Logging } from '../service/logging/Logging.ts'
+import StandardLogger from '../service/logging/StandardLogger.ts'
+
+@Unit()
+export default class Scaffolding extends LifecycleUnit {
+    private config = {}
+
+    constructor(
+        protected logger: Logging
+    ) {
+        super()
+    }
+
+    public refresh_env() {
+        this.config = dotenv()
+    }
+
+    public setup_logging() {
+        StandardLogger.register()
+        this.logger.info('Logging initialized.', true)
+    }
+
+    public async up() {
+        this.setup_logging()
+        this.refresh_env()
+    }
+}