docs: update license attribution and README

Author: commenthol

LICENSE

@@ -118,6 +118,7 @@ https://en.wikipedia.org/wiki/Public_holidays_in_Namibia
 https://en.wikipedia.org/wiki/Public_holidays_in_New_Zealand
 https://en.wikipedia.org/wiki/Public_holidays_in_Nigeria
 https://en.wikipedia.org/wiki/Public_holidays_in_Norway
+https://en.wikipedia.org/wiki/Public_holidays_in_Pakistan
 https://en.wikipedia.org/wiki/Public_holidays_in_Panama
 https://en.wikipedia.org/wiki/Public_holidays_in_Paraguay
 https://en.wikipedia.org/wiki/Public_holidays_in_Peru
@@ -226,5 +227,6 @@ https://ro.wikipedia.org/wiki/Ziua_vinului_(Republica_Moldova)
 https://ru.m.wikipedia.org/wiki/%D0%9F%D1%80%D0%B0%D0%B7%D0%B4%D0%BD%D0%B8%D0%BA%D0%B8_%D0%A0%D0%BE%D1%81%D1%81%D0%B8%D0%B8
 https://sv.wikipedia.org/wiki/Helgdagar_i_Sverige
 https://sv.wikipedia.org/wiki/Sveriges_nationaldag#Svenska_flaggans_dag
+https://ur.wikipedia.org/wiki/%D8%AA%D8%B9%D8%B7%DB%8C%D9%84%D8%A7%D8%AA_%D9%BE%D8%A7%DA%A9%D8%B3%D8%AA%D8%A7%D9%86
 
 </attribution>

README.md

@@ -57,7 +57,7 @@ If you are missing holidays from your country, state, region please consider
 <!-- !tree -->
 
 ```
-Countries: 205
+Countries: 206
 ├── AD: Andorra
 │   └── 07: Andorra la Vella
 ├── AE: دولة الإمارات العربية المتحدة
@@ -518,6 +518,14 @@ Countries: 205
 │   └── CUS: Cuzco
 ├── PF: Polynésie française
 ├── PH: Philippines
+├── PK: پاکستان
+│   ├── BA: Balochistan
+│   ├── GB: Gilgit-Baltistan
+│   ├── IS: Islamabad
+│   ├── JK: Azad Kashmir
+│   ├── KP: Khyber Pakhtunkhwa
+│   ├── PB: Punjab
+│   └── SD: Sindh
 ├── PL: Polska
 ├── PM: St. Pierre & Miquelon
 ├── PR: Puerto Rico