Added documenation pdfs

Docs/DB/schema.db

@@ -16,7 +16,8 @@ Table "user" {
   "forename" varchar(255) [default: NULL]
   "name" varchar(255) [default: NULL]
   "is_admin" bit(1) [not null]
-  "password" varchar(255) [default: NULL]
+  "password" tinyblob [default: NULL]
+  "salt" tinyblob [default: NULL]
   "token" varchar(255) [default: NULL]
 }
 

Docs/REST-API/API Reference.md

@@ -33,7 +33,7 @@ POST:
 
 Request (GET):
 
-    curl localhost:8080/vpr/all-users
+    curl localhost:8080/vpr/all-users | python3 -m json.tool
 
 Response: