Add sample config

.gitignore

@@ -115,4 +115,6 @@ dmypy.json
 # Pyre type checker
 .pyre/
 
-conf/
+conf/secrets.json
+conf/sync_settings.json
+conf/token.json

conf/secrets.sample.json

@@ -0,0 +1,4 @@
+{
+    "client_id": "BOX_CLIENT_ID",
+    "client_secret": "BOX_CLIENT_SECRET"
+}

conf/sync_settings.sample.json

@@ -0,0 +1,15 @@
+{
+  "blacklist": [
+    "FolderA/aaa/bbb.jpg",
+    "FolderB/File*",
+    "*something*",
+    "*.pdf"
+  ],
+  "thread_count": 4,
+  "jobs": [
+    {
+      "itemId": "0",
+      "localDirectory": "./test"
+    }
+  ]
+}