feat(plugins/community/chess): add plugin (#1215) [skip ci]

.github/actions/spelling/excludes.txt

@@ -52,3 +52,4 @@ ignore$
 ^\Qsource/templates/terminal/fonts.css\E$
 ^\Qsource/templates/terminal/partials/screenshot.ejs\E$
 ^\Qtests/mocks/api/github/rest/emojis/get.mjs\E$
+^\Qtests/mocks/api/axios/get/lichess.mjs\E$

.github/actions/spelling/expect.txt

@@ -174,6 +174,7 @@ libxml
 libxmljs
 libxss
 libxtst
+lichess
 linux
 lng
 localhost
@@ -236,6 +237,8 @@ params
 patchnote
 pdated
 pened
+PGN
+Pgn
 PGP
 playcount
 playlists

.github/actions/spelling/patterns.txt

@@ -90,3 +90,7 @@ place_id: ".*"
 
 # ignore long runs of a single character:
 \b([A-Za-z])\g{-1}{3,}\b
+
+# Chess patterns
+\brnbqkbnr\b
+\bRNBQKBNR\b

.github/scripts/files/examples.yml

@@ -12,6 +12,8 @@ on:
         required: true
       METRICS_TOKEN_PERSONAL:
         required: true
+      CHESS_TOKEN:
+        required: true
       PAGESPEED_TOKEN:
         required: true
       GOOGLE_MAP_TOKEN: