Add Azerbaijan holidays

lang/azerbaijan/en/holidays.json

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+{
+    "Yeni il": "New year",
+    "Beynəlxalq Qadınlar günü": "International Women's Day",
+    "Novruz bayramı": "Novruz holiday",
+    "Faşizm üzərində qələbə günü": "Day of Victory over fascism",
+    "Müstəqillik Günü": "Independence Day",
+    "Azərbaycan xalqının milli qurtuluş günü": "National Salvation Day of the Azerbaijani people",
+    "Azərbaycan Respublikasının Silahlı Qüvvələri günü": "Day of Armed Forces of the Republic of Azerbaijan",
+    "Müstəqilliyin bərpası günü": "Day of Restoration of Independence",
+    "Zəfər Günü": "Victory Day",
+    "Azərbaycan Respublikasının Dövlət bayrağı günü": "National Flag Day of the Republic of Azerbaijan",
+    "Dünya azərbaycanlılarının həmrəyliyi günü": "World Azerbaijanis Solidarity Day"
+}

src/Countries/Azerbaijan.php

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+<?php
+
+namespace Spatie\Holidays\Countries;
+
+use Carbon\CarbonImmutable;
+
+class Azerbaijan extends Country
+{
+    public function countryCode(): string
+    {
+        return 'az';
+    }
+
+    protected function allHolidays(int $year): array
+    {
+        return array_merge([
+            'Yeni il' => '01-01',
+            'Beynəlxalq Qadınlar günü' => '03-08',
+            'Novruz bayramı' => '03-20',
+            'Faşizm üzərində qələbə günü' => '05-09',
+            'Müstəqillik Günü' => '05-28',
+            'Azərbaycan xalqının milli qurtuluş günü' => '06-15',
+            'Azərbaycan Respublikasının Silahlı Qüvvələri günü' => '06-26',
+            'Müstəqilliyin bərpası günü' => '10-18',
+            'Zəfər Günü' => '11-08',
+            'Azərbaycan Respublikasının Dövlət bayrağı günü' => '11-09',
+            'Dünya azərbaycanlılarının həmrəyliyi günü' => '12-31',
+        ], $this->variableHolidays($year));
+    }
+
+    /** @return array<string, CarbonImmutable> */
+    protected function variableHolidays(int $year): array
+    {
+        // does not change according to the standard
+        return [];
+    }
+}

tests/.pest/snapshots/Countries/AzerbaijanTest/it_can_calculate_azerbaijani_holidays.snap

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+[
+    {
+        "name": "Yeni il",
+        "date": "2024-01-01"
+    },
+    {
+        "name": "Beyn\u0259lxalq Qad\u0131nlar g\u00fcn\u00fc",
+        "date": "2024-03-08"
+    },
+    {
+        "name": "Novruz bayram\u0131",
+        "date": "2024-03-20"
+    },
+    {
+        "name": "Fa\u015fizm \u00fcz\u0259rind\u0259 q\u0259l\u0259b\u0259 g\u00fcn\u00fc",
+        "date": "2024-05-09"
+    },
+    {
+        "name": "M\u00fcst\u0259qillik G\u00fcn\u00fc",
+        "date": "2024-05-28"
+    },
+    {
+        "name": "Az\u0259rbaycan xalq\u0131n\u0131n milli qurtulu\u015f g\u00fcn\u00fc",
+        "date": "2024-06-15"
+    },
+    {
+        "name": "Az\u0259rbaycan Respublikas\u0131n\u0131n Silahl\u0131 Q\u00fcvv\u0259l\u0259ri g\u00fcn\u00fc",
+        "date": "2024-06-26"
+    },
+    {
+        "name": "M\u00fcst\u0259qilliyin b\u0259rpas\u0131 g\u00fcn\u00fc",
+        "date": "2024-10-18"
+    },
+    {
+        "name": "Z\u0259f\u0259r G\u00fcn\u00fc",
+        "date": "2024-11-08"
+    },
+    {
+        "name": "Az\u0259rbaycan Respublikas\u0131n\u0131n D\u00f6vl\u0259t bayra\u011f\u0131 g\u00fcn\u00fc",
+        "date": "2024-11-09"
+    },
+    {
+        "name": "D\u00fcnya az\u0259rbaycanl\u0131lar\u0131n\u0131n h\u0259mr\u0259yliyi g\u00fcn\u00fc",
+        "date": "2024-12-31"
+    }
+]

tests/.pest/snapshots/Countries/AzerbaijanTest/it_can_calculate_azerbaijani_holidays_in_english.snap

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+[
+    {
+        "name": "New year",
+        "date": "2024-01-01"
+    },
+    {
+        "name": "International Women's Day",
+        "date": "2024-03-08"
+    },
+    {
+        "name": "Novruz holiday",
+        "date": "2024-03-20"
+    },
+    {
+        "name": "Day of Victory over fascism",
+        "date": "2024-05-09"
+    },
+    {
+        "name": "Independence Day",
+        "date": "2024-05-28"
+    },
+    {
+        "name": "National Salvation Day of the Azerbaijani people",
+        "date": "2024-06-15"
+    },
+    {
+        "name": "Day of Armed Forces of the Republic of Azerbaijan",
+        "date": "2024-06-26"
+    },
+    {
+        "name": "Day of Restoration of Independence",
+        "date": "2024-10-18"
+    },
+    {
+        "name": "Victory Day",
+        "date": "2024-11-08"
+    },
+    {
+        "name": "National Flag Day of the Republic of Azerbaijan",
+        "date": "2024-11-09"
+    },
+    {
+        "name": "World Azerbaijanis Solidarity Day",
+        "date": "2024-12-31"
+    }
+]

tests/Countries/AzerbaijanTest.php

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+<?php
+
+namespace Spatie\Holidays\Tests\Countries;
+
+use Carbon\CarbonImmutable;
+use Spatie\Holidays\Holidays;
+
+it('can calculate azerbaijani holidays', function () {
+    CarbonImmutable::setTestNow('2024-01-01');
+
+    $holidays = Holidays::for(country: 'az')->get();
+
+    expect($holidays)
+        ->toBeArray()
+        ->not()->toBeEmpty();
+
+    expect(formatDates($holidays))->toMatchSnapshot();
+});
+
+it('can calculate azerbaijani holidays in english', function () {
+    CarbonImmutable::setTestNow('2024-01-01');
+
+    $holidays = Holidays::for(country: 'az',locale: 'en')->get();
+
+    expect($holidays)
+        ->toBeArray()
+        ->not()->toBeEmpty();
+
+    expect(formatDates($holidays))->toMatchSnapshot();
+});