docs: Update examples from 2021 to 2022 (#243)

* docs: Update example to 2022

* refactor(demo): update years to 2022

Author: DenverCoder1

README.md

@@ -89,10 +89,10 @@ When the contribution year is equal to the current year, the characters in brack
 
 |     Date Format     |                                     Result                                      |
 | :-----------------: | :-----------------------------------------------------------------------------: |
-| <pre>d F[, Y]</pre> | <pre>"2020-04-14" => "14 April, 2020"<br/><br/>"2021-04-14" => "14 April"</pre> |
-|  <pre>j/n/Y</pre>   |   <pre>"2020-04-14" => "14/4/2020"<br/><br/>"2021-04-14" => "14/4/2021"</pre>   |
-| <pre>[Y.]n.j</pre>  |     <pre>"2020-04-14" => "2020.4.14"<br/><br/>"2021-04-14" => "4.14"</pre>      |
-| <pre>M j[, Y]</pre> |   <pre>"2020-04-14" => "Apr 14, 2020"<br/><br/>"2021-04-14" => "Apr 14"</pre>   |
+| <pre>d F[, Y]</pre> | <pre>"2020-04-14" => "14 April, 2020"<br/><br/>"2022-04-14" => "14 April"</pre> |
+|  <pre>j/n/Y</pre>   |   <pre>"2020-04-14" => "14/4/2020"<br/><br/>"2022-04-14" => "14/4/2022"</pre>   |
+| <pre>[Y.]n.j</pre>  |     <pre>"2020-04-14" => "2020.4.14"<br/><br/>"2022-04-14" => "4.14"</pre>      |
+| <pre>M j[, Y]</pre> |   <pre>"2020-04-14" => "Apr 14, 2020"<br/><br/>"2022-04-14" => "Apr 14"</pre>   |
 
 ### Example
 

src/demo/preview.php

@@ -9,8 +9,8 @@
     "totalContributions" => 2048,
     "firstContribution" => "2016-08-10",
     "longestStreak" => [
-        "start" => "2020-12-19",
-        "end" => "2021-03-14",
+        "start" => "2021-12-19",
+        "end" => "2022-03-14",
         "length" => 86,
     ],
     "currentStreak" => [