Invoices can be created

- Transactions can now be tracked

config.ts

@@ -0,0 +1,37 @@
+/**
+ * Here you can change various settings like database credentials, http settings and more.
+ * 
+ * Debug mode and MongoDB credentials are set via enviroment variables for security reasons.
+ */
+export const config: IConfig = {
+    authentification: {
+        pepper: 'J3%_zö\\^',
+        salt_length: 8,
+        argonTimecost: 8,
+        minPasswordLength: 4,
+        maxPasswordLength: 150
+    },
+    http: {
+        port: 2009,
+        host: "0.0.0.0"
+    }
+}
+/**
+ * END OF CONFIG
+ * ====================
+ */
+
+
+export interface IConfig {
+    authentification: {
+        pepper: string,
+        salt_length: number,
+        argonTimecost: number,
+        minPasswordLength: number,
+        maxPasswordLength: number
+    },
+    http: {
+        port: number,
+        host: string
+    }
+}