Refractoring and add thumbnails support (without tests)

config/default.yaml

@@ -16,6 +16,7 @@ storage:
   certs: 'certs/'
   uploads: 'uploads/'
   logs: 'logs/'
+  thumbnails: 'thumbnails/'
 
 network:
   friends: []

config/test-1.yaml

@@ -13,6 +13,7 @@ storage:
   certs: 'test1/certs/'
   uploads: 'test1/uploads/'
   logs: 'test1/logs/'
+  thumbnails: 'test1/thumbnails/'
 
 network:
   friends:

config/test-2.yaml

@@ -13,6 +13,7 @@ storage:
   certs: 'test2/certs/'
   uploads: 'test2/uploads/'
   logs: 'test2/logs/'
+  thumbnails: 'test2/thumbnails/'
 
 network:
   friends:

config/test-3.yaml

@@ -13,6 +13,7 @@ storage:
   certs: 'test3/certs/'
   uploads: 'test3/uploads/'
   logs: 'test3/logs/'
+  thumbnails: 'test3/thumbnails/'
 
 network:
   friends:

config/test-4.yaml

@@ -13,6 +13,7 @@ storage:
   certs: 'test4/certs/'
   uploads: 'test4/uploads/'
   logs: 'test4/logs/'
+  thumbnails: 'test4/thumbnails/'
 
 network:
   friends:

config/test-5.yaml

@@ -13,6 +13,7 @@ storage:
   certs: 'test5/certs/'
   uploads: 'test5/uploads/'
   logs: 'test5/logs/'
+  thumbnails: 'test5/thumbnails/'
 
 network:
   friends:

config/test-6.yaml

@@ -13,6 +13,7 @@ storage:
   certs: 'test6/certs/'
   uploads: 'test6/uploads/'
   logs: 'test6/logs/'
+  thumbnails: 'test6/thumbnails/'
 
 network:
   friends: