feat(i18n): centralize more UI texts in messages

Move hardcoded labels/strings in About, Projects, Contact form, Footer and Consent banner into next-intl message files (en/de) so content is maintained in one place.

Co-authored-by: dennis <dennis@konkol.net>

messages/en.json

@@ -17,9 +17,11 @@
     "essential": "Essential",
     "analytics": "Analytics",
     "chat": "Chatbot",
+    "alwaysOn": "Always on",
     "acceptAll": "Accept all",
     "acceptSelected": "Accept selected",
-    "rejectAll": "Reject all"
+    "rejectAll": "Reject all",
+    "hide": "Hide"
   }
   ,
   "home": {
@@ -39,14 +41,83 @@
       "p2": "I love building full-stack web applications with Next.js and mobile apps with Flutter. But what really excites me is DevOps: I run my own infrastructure and automate deployments with CI/CD.",
       "p3": "When I'm not coding or tinkering with servers, you'll find me gaming, jogging, or experimenting with automation workflows.",
       "funFactTitle": "Fun Fact",
-      "funFactBody": "Even though I automate a lot, I still use pen and paper for my calendar and notes – it helps me stay focused."
+      "funFactBody": "Even though I automate a lot, I still use pen and paper for my calendar and notes – it helps me stay focused.",
+      "techStackTitle": "My Tech Stack",
+      "hobbiesTitle": "When I'm Not Coding",
+      "techStack": {
+        "categories": {
+          "frontendMobile": "Frontend & Mobile",
+          "backendDevops": "Backend & DevOps",
+          "toolsAutomation": "Tools & Automation",
+          "securityAdmin": "Security & Admin"
+        },
+        "items": {
+          "selfHostedServices": "Self-hosted services"
+        }
+      },
+      "hobbies": {
+        "selfHosting": "Self-Hosting & DevOps",
+        "gaming": "Gaming",
+        "gameServers": "Setting up game servers",
+        "jogging": "Jogging to clear my mind and stay active"
+      }
+    },
+    "projects": {
+      "title": "Selected Works",
+      "subtitle": "A collection of projects I've worked on, ranging from web applications to experiments.",
+      "featured": "Featured",
+      "viewAll": "View All Projects"
     },
     "contact": {
       "title": "Contact Me",
       "subtitle": "Interested in working together or have questions about my projects? Feel free to reach out!",
       "getInTouch": "Get In Touch",
-      "getInTouchBody": "I'm always available to discuss new opportunities, interesting projects, or simply chat about technology and innovation."
+      "getInTouchBody": "I'm always available to discuss new opportunities, interesting projects, or simply chat about technology and innovation.",
+      "info": {
+        "email": "Email",
+        "location": "Location",
+        "locationValue": "Osnabrück, Germany"
+      },
+      "form": {
+        "title": "Send Message",
+        "sending": "Sending message…",
+        "send": "Send Message",
+        "labels": {
+          "name": "Name",
+          "email": "Email",
+          "subject": "Subject",
+          "message": "Message",
+          "requiredMarker": "*"
+        },
+        "placeholders": {
+          "name": "Your name",
+          "email": "your@email.com",
+          "subject": "What's this about?",
+          "message": "Tell me more about your project or question…"
+        },
+        "errors": {
+          "nameRequired": "Name is required",
+          "nameMin": "Name must be at least 2 characters",
+          "emailRequired": "Email is required",
+          "emailInvalid": "Please enter a valid email address",
+          "subjectRequired": "Subject is required",
+          "subjectMin": "Subject must be at least 3 characters",
+          "messageRequired": "Message is required",
+          "messageMin": "Message must be at least 10 characters"
+        },
+        "characters": "{count} characters"
+      }
     }
   }
+  ,
+  "footer": {
+    "role": "Software Engineer",
+    "madeIn": "Made in Germany",
+    "legalNotice": "Legal notice",
+    "privacyPolicy": "Privacy policy",
+    "privacySettings": "Privacy settings",
+    "privacySettingsTitle": "Show privacy settings banner again",
+    "builtWith": "Built with"
+  }
 }