Backend update on Torrent upload with unit test complete

Change-Id: Ie8a90c82e414df32d079524d3ff3035b823b69c3
diff --git a/backend/demo/src/main/resources/META-INF/additional-spring-configuration-metadata.json b/backend/demo/src/main/resources/META-INF/additional-spring-configuration-metadata.json
new file mode 100644
index 0000000..cf06b61
--- /dev/null
+++ b/backend/demo/src/main/resources/META-INF/additional-spring-configuration-metadata.json
@@ -0,0 +1,5 @@
+{"properties": [{
+  "name": "file.upload-dir",
+  "type": "java.lang.String",
+  "description": "Torrent dir for uploading'"
+}]}
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