added affiliation tab card with its information

app/Models/SkillAcquisition.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class SkillAcquisition extends Model
+{
+    protected $fillable = [
+        'club_affiliation_id',
+        'skill_name',
+        'icon',
+        'duration_months',
+        'proficiency_level',
+    ];
+
+    protected $casts = [
+        'duration_months' => 'integer',
+    ];
+
+    /**
+     * Get the club affiliation that owns the skill acquisition.
+     */
+    public function clubAffiliation(): BelongsTo
+    {
+        return $this->belongsTo(ClubAffiliation::class);
+    }
+
+    /**
+     * Get formatted duration.
+     */
+    public function getFormattedDurationAttribute(): string
+    {
+        $months = $this->duration_months;
+        if ($months < 12) {
+            return $months . ' month' . ($months > 1 ? 's' : '');
+        }
+
+        $years = floor($months / 12);
+        $remainingMonths = $months % 12;
+
+        $result = $years . ' year' . ($years > 1 ? 's' : '');
+        if ($remainingMonths > 0) {
+            $result .= ' ' . $remainingMonths . ' month' . ($remainingMonths > 1 ? 's' : '');
+        }
+
+        return $result;
+    }
+
+    /**
+     * Get proficiency level color for UI.
+     */
+    public function getProficiencyColorAttribute(): string
+    {
+        return match($this->proficiency_level) {
+            'beginner' => 'text-blue-500',
+            'intermediate' => 'text-yellow-500',
+            'advanced' => 'text-orange-500',
+            'expert' => 'text-red-500',
+            default => 'text-gray-500',
+        };
+    }
+}