chore: fix typos in spelling (#38100)

* spelling: accidentally

* spelling: announce

* spelling: assembly

* spelling: avoid

* spelling: backend

* spelling: because

* spelling: claimed

* spelling: candidate

* spelling: certification

* spelling: certified

* spelling: challenge

* spelling: circular

* spelling: it isn't

* spelling: coins

* spelling: combination

* spelling: compliant

* spelling: containers

* spelling: concise

* spelling: deprecated

* spelling: development

* spelling: donor

* spelling: error

* spelling: everything

* spelling: exceed

* spelling: exist

* spelling: falsy

* spelling: faulty

* spelling: forward

* spelling: handle

* spelling: indicates

* spelling: initial

* spelling: integers

* spelling: issealed

* spelling: javascript

* spelling: length

* spelling: maximum

* spelling: minimum

* spelling: mutable

* spelling: notifier

* spelling: coordinate

* spelling: passport

* spelling: perform

* spelling: permuter

* spelling: placeholder

* spelling: progressively

* spelling: semantic

* spelling: submission

* spelling: submit

* spelling: translations

* spelling: turquoise

* spelling: visualization

* spelling: without

* spelling: registration

* spelling: representation

CONTRIBUTING.md

@@ -67,7 +67,7 @@ The challenge hints and articles will still be available on the forum which we h
 
 We do intend to make the curriculum available in more languages, right now we do not have a timeline for this.
 
-We will begin by making the curriculum available in *Chinese* first. This will help us understand the caveats and the streamline the development workflows. China is one of the largest demographic regions in terms of our non-english audience. It is hence an ideal candiate for the internationalization (i18n). We currently have hundreds of thousands of users using an old version of the platform.
+We will begin by making the curriculum available in *Chinese* first. This will help us understand the caveats and the streamline the development workflows. China is one of the largest demographic regions in terms of our non-english audience. It is hence an ideal candidate for the internationalization (i18n). We currently have hundreds of thousands of users using an old version of the platform.
 
 The next languages to follow would be *Arabic, Portuguese, Russian and Spanish* in no particular order. For Portuguese and Spanish we will focus on Latin America as our target demographic region based on the audience we have.