feat(plugins/steam): add plugin (#1400) [skip ci]

.github/actions/spelling/allow.txt

@@ -1,11 +1,23 @@
+appid
+apikey
+apiname
+appdetails
+appids
+appinfo
 deno
 gpgarmor
 github
 githubassets
 https
+IPlayer
+ISteam
 leetcode
+Nie
 npx
+personaname
 pgn
+playerstats
+rtime
 scm
 shas
 splatoon
@@ -13,5 +25,13 @@ Splatnet
 ssh
 statink
 STATINK
+steamcommunity
+steamid
+steamids
+steampowered
+timecreated
 ubuntu
+unlocktime
+userid
 yargsparser
+webtoken

.github/actions/spelling/excludes.txt

@@ -55,3 +55,4 @@ ignore$
 ^\Qsource/templates/terminal/partials/screenshot.ejs\E$
 ^\Qtests/mocks/api/github/rest/emojis/get.mjs\E$
 ^\Qtests/mocks/api/axios/get/lichess.mjs\E$
+^\Qtests/mocks/api/axios/get/steam.mjs\E$