Add configuration files and update project documentation

- Introduced .editorconfig for consistent coding styles across the project.
- Added .golangci.yml for Go linting configuration.
- Updated AGENTS.md to clarify project structure and components.
- Enhanced CONTRIBUTING.md with Makefile usage for common tasks.
- Updated Dockerfiles to use Go 1.24 and improved build instructions.
- Refined README.md and deployment documentation for clarity.
- Added testing documentation in testing.md for backend and frontend tests.
- Introduced Makefile for streamlined development commands and tasks.

frontend-nuxt/pages/admin/index.vue

@@ -24,7 +24,7 @@
               class="flex items-center justify-between gap-3 w-full p-3 rounded-lg bg-base-300/50 hover:bg-base-300/70 transition-colors"
             >
               <div class="flex items-center gap-2 min-w-0">
-                <div class="avatar placeholder">
+                <div class="avatar avatar-placeholder">
                   <div class="bg-neutral text-neutral-content rounded-full w-8">
                     <span class="text-xs">{{ u[0]?.toUpperCase() }}</span>
                   </div>
@@ -57,7 +57,7 @@
                 <tr><th>ID</th><th>Name</th><th>Hidden</th><th>Priority</th><th class="text-right"></th></tr>
               </thead>
               <tbody>
-                <tr v-for="map in maps" :key="map.ID" class="hover">
+                <tr v-for="map in maps" :key="map.ID" class="hover:bg-base-300">
                   <td>{{ map.ID }}</td>
                   <td>{{ map.Name }}</td>
                   <td>{{ map.Hidden ? 'Yes' : 'No' }}</td>
@@ -84,25 +84,25 @@
           Settings
         </h2>
           <div class="flex flex-col gap-4">
-            <div class="form-control w-full max-w-xs">
+            <fieldset class="fieldset w-full max-w-xs">
               <label class="label" for="admin-settings-prefix">Prefix</label>
               <input
                 id="admin-settings-prefix"
                 v-model="settings.prefix"
                 type="text"
-                class="input input-bordered input-sm w-full"
+                class="input input-sm w-full"
               />
-            </div>
-            <div class="form-control w-full max-w-xs">
+            </fieldset>
+            <fieldset class="fieldset w-full max-w-xs">
               <label class="label" for="admin-settings-title">Title</label>
               <input
                 id="admin-settings-title"
                 v-model="settings.title"
                 type="text"
-                class="input input-bordered input-sm w-full"
+                class="input input-sm w-full"
               />
-            </div>
-            <div class="form-control">
+            </fieldset>
+            <fieldset class="fieldset">
               <label class="label gap-2 cursor-pointer justify-start" for="admin-settings-default-hide">
                 <input
                   id="admin-settings-default-hide"
@@ -112,7 +112,7 @@
                 />
                 Default hide new maps
               </label>
-            </div>
+            </fieldset>
           </div>
           <div class="flex justify-end mt-2">
             <button class="btn btn-primary btn-sm" :disabled="savingSettings" @click="saveSettings">