feat: Implement internationalization (i18n) with language switching and establish core backend services and frontend pages for course management.

Frontend-Learner/i18n/locales/en.json

@@ -0,0 +1,171 @@
+{
+  "app": {
+    "name": "E-Learning Platform",
+    "title": "E-Learning System",
+    "systemTitle": "E-Learning System - Online Learning Platform"
+  },
+  "common": {
+    "loading": "Loading...",
+    "views": "Views",
+    "students": "Students",
+    "lessons": "Lessons",
+    "hours": "Hours"
+  },
+  "dashboard": {
+    "welcomeTitle": "Welcome back, {name}!",
+    "welcomeSubtitle": "Today is a great day to learn something new. Let's gain more knowledge.",
+    "continueLearning": "Continue Learning",
+    "enterLearning": "Enter Full Lesson",
+    "recommendedCourses": "Recommended Courses",
+    "currentLearning": "CURRENTLY LEARNING",
+    "level": "Chapter",
+    "progress": "PROGRESS",
+    "viewDetails": "View Details",
+    "newBadge": "New",
+    "popularBadge": "Popular"
+  },
+  "auth": {
+    "login": {
+      "title": "Login",
+      "welcome": "Welcome back! Please enter your details.",
+      "submitButton": "Login",
+      "googleLogin": "Login with Google",
+      "rememberMe": "Remember me",
+      "forgotPassword": "Forgot password?",
+      "noAccount": "Don't have an account?",
+      "registerNow": "Register"
+    },
+    "register": {
+      "title": "Register",
+      "welcome": "Welcome back! Please enter your details.",
+      "submitButton": "Create Account",
+      "hasAccount": "Already have an account?",
+      "loginNow": "Login",
+      "successMessage": "Registration successful! Please login.",
+      "failMessage": "Registration failed"
+    },
+    "form": {
+      "username": "Username",
+      "email": "Email",
+      "password": "Password",
+      "confirmPassword": "Confirm Password",
+      "prefix": "Prefix",
+      "firstName": "First Name",
+      "lastName": "Last Name",
+      "phone": "Phone Number",
+      "prefixOptions": {
+        "mr": "Mr.",
+        "mrs": "Mrs.",
+        "ms": "Ms."
+      },
+      "placeholders": {
+        "email": "student{'@'}example.com",
+        "password": "••••••••",
+        "createPassword": "Create password (min 8 chars)",
+        "confirmPassword": "Confirm password again",
+        "username": "username"
+      }
+    },
+    "validation": {
+      "required": "This field is required",
+      "emailInvalid": "Please enter a valid email",
+      "passwordLength": "Password must be at least 8 characters",
+      "noThai": "Thai characters are not allowed",
+      "noNumber": "Numbers are not allowed",
+      "onlyNumber": "Please enter numbers only",
+      "passwordMismatch": "Passwords do not match",
+      "loginFailed": "Please check your Email or Password again."
+    },
+    "backToHome": "Back to Home"
+  },
+  "landing": {
+    "header": {
+      "menu": {
+        "allCourses": "All Courses",
+        "discovery": "Discovery"
+      },
+      "actions": {
+        "login": "Login",
+        "getStarted": "Get Started",
+        "enterDashboard": "Enter Dashboard"
+      }
+    },
+    "hero": {
+      "badge": "🚀 Start your new path to success here",
+      "titlePart1": "Level Up Your",
+      "titleHighlight": "Future Skills",
+      "titlePart2": "With Us",
+      "subtitle": "The most accessible online knowledge hub. Developed by experts to help you reach your goals with confidence.",
+      "ctaStart": "Start Learning for Free",
+      "ctaBrowse": "Browse All Courses"
+    },
+    "features": {
+      "certificate": {
+        "title": "Get Certified",
+        "desc": "Upon course completion"
+      },
+      "anywhere": {
+        "title": "Learn Anywhere",
+        "desc": "Supports all devices"
+      }
+    },
+    "whyChooseUs": {
+      "badge": "Why Choose Us",
+      "title": "Designed for Your Success",
+      "desc": "We are not just a learning platform, but a partner to help you reach your destination.",
+      "items": {
+        "material": {
+          "title": "High Quality Material",
+          "desc": "Sharp video quality with carefully selected learning materials for easy understanding."
+        },
+        "assessment": {
+          "title": "Smart Assessment",
+          "desc": "Online Quiz system to immediately assess understanding with improvement analysis."
+        },
+        "tracking": {
+          "title": "Progress Tracking",
+          "desc": "Track your progress anytime, anywhere via a Dashboard that summarizes everything perfectly."
+        }
+      }
+    },
+    "footer": {
+      "brandDesc": "Online learning platform for future skills",
+      "services": {
+        "title": "All Services",
+        "onlineCourses": "Online Courses",
+        "onsite": "Onsite Courses",
+        "classSystem": "Class System",
+        "forOrg": "For Organizations"
+      },
+      "about": {
+        "title": "About Us",
+        "yearlyPackage": "Yearly Package",
+        "learningPath": "Learning Path",
+        "skillCheck": "Skill Check",
+        "articles": "Articles",
+        "faq": "FAQ"
+      },
+      "join": {
+        "title": "Join Us",
+        "jobs": "Careers",
+        "affiliate": "Affiliate Program",
+        "instructor": "Become an Instructor",
+        "aboutUs": "About Us",
+        "contact": "Contact Us"
+      },
+      "download": {
+        "title": "Download Application"
+      },
+      "consult": {
+        "title": "Consultation",
+        "addLine": "Add Line Friend"
+      },
+      "legal": {
+        "terms": "Terms of Service",
+        "privacy": "Privacy Policy",
+        "refund": "Refund Policy",
+        "copyright": "© Copyright 2019-2026 LIKE ME X CO.,LTD All rights reserved."
+      }
+    }
+  }
+}