Updated Architecture (markdown)

Architecture.md

@@ -21,8 +21,10 @@ job-collector:
 file-manager:
     file-collector:
         hostname: "localhost"
-        port: 80
+        port: 80  # can be ignored in specific modules
-    cache:
+        username: "654321"  # can be ignored in specific modules
+        password: "123456"  # can be ignored in specific modules
+    cache:  # only in case that there is cache module
         cache-dir: "/tmp/cache"
 logger:
     file: "log.txt"