Enhance API functionality: add token generation methods, implement entry management, and improve setup process with settings storage

db_structure.sql

@@ -12,3 +12,8 @@ CREATE TABLE IF NOT EXISTS "entrys" (
     "status" INTEGER NOT NULL DEFAULT 0
 );
 
+CREATE TABLE IF NOT EXISTS "settings" (
+    "id"     INTEGER PRIMARY KEY AUTOINCREMENT,
+    "name"   TEXT NOT NULL,
+    "value"  TEXT NOT NULL
+);