Package and individual mail sender, new report, and other changes

Co-authored-by: Copilot <copilot@github.com>

app/Models/EmailLog.php

@@ -4,6 +4,7 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasOne;
 
 enum EmailLogStatus: string
@@ -83,4 +84,9 @@ public function body(): HasOne
     {
         return $this->hasOne(EmailLogBody::class, 'email_log_id');
     }
+
+    public function activities(): BelongsToMany
+    {
+        return $this->belongsToMany(Activity::class, 'activity_email_logs');
+    }
 }