Various code cleanup.

app/User.php

@@ -59,6 +59,8 @@ class User extends Authenticatable
     protected $table = 'users';
 
     /**
+     * Link to accounts.
+     *
      * @return HasMany
      */
     public function accounts(): HasMany
@@ -87,6 +89,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to attachments
+     *
      * @return HasMany
      */
     public function attachments(): HasMany
@@ -95,6 +99,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to available budgets
+     *
      * @return HasMany
      */
     public function availableBudgets(): HasMany
@@ -103,6 +109,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to bills.
+     *
      * @return HasMany
      */
     public function bills(): HasMany
@@ -111,6 +119,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to budgets.
+     *
      * @return HasMany
      */
     public function budgets(): HasMany
@@ -119,6 +129,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to categories
+     *
      * @return HasMany
      */
     public function categories(): HasMany
@@ -127,6 +139,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to currency exchange rates
+     *
      * @return HasMany
      */
     public function currencyExchangeRates(): HasMany
@@ -135,6 +149,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to export jobs
+     *
      * @return HasMany
      */
     public function exportJobs(): HasMany
@@ -143,6 +159,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Generates access token.
+     *
      * @return string
      */
     public function generateAccessToken(): string
@@ -173,6 +191,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to import jobs.
+     *
      * @return HasMany
      */
     public function importJobs(): HasMany
@@ -181,6 +201,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to piggy banks.
+     *
      * @return HasManyThrough
      */
     public function piggyBanks(): HasManyThrough
@@ -189,6 +211,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to preferences.
+     *
      * @return HasMany
      */
     public function preferences(): HasMany
@@ -197,6 +221,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to roles.
+     *
      * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
      */
     public function roles(): BelongsToMany
@@ -205,6 +231,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to rule groups.
+     *
      * @return HasMany
      */
     public function ruleGroups(): HasMany
@@ -213,6 +241,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to rules.
+     *
      * @return HasMany
      */
     public function rules(): HasMany
@@ -233,6 +263,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to tags.
+     *
      * @return HasMany
      */
     public function tags(): HasMany
@@ -241,6 +273,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to transaction journals.
+     *
      * @return HasMany
      */
     public function transactionJournals(): HasMany
@@ -249,6 +283,8 @@ class User extends Authenticatable
     }
 
     /**
+     * Link to transactions.
+     *
      * @return HasManyThrough
      */
     public function transactions(): HasManyThrough