[FEATURE] How to Spell TYPO3 (#30)

Migrated from https://typo3.org/project/brand/spelling-typo3

Author: mabolek

Documentation/Association/SpellingTypo3.rst

@@ -0,0 +1,70 @@
+:navigation-title: Spelling TYPO3
+..  include:: /Includes.rst.txt
+..  _spell-t3:
+
+==================
+How to Spell TYPO3
+==================
+
+..  _spell-t3-rule:
+
+Uppercase, No Space
+===================
+
+TYPO3 is always written in uppercase, with no spaces. This rule covers all products under the TYPO3 project. URLs are the only exception to this rule.
+
+A complete product name should have "TYPO3" as the first word, for example "TYPO3 CMS".
+
+The number "3" is a part of the product name. It is not a version number.
+
+Read about the history of the TYPO3 name.
+
+..  _spell-t3-dos-donts:
+
+Dos and Don'ts
+==============
+
+..  _spell-t3-right-way:
+
+The Right Way
+-------------
+
+* "TYPO3 CMS"
+* "TYPO3 CMS 8 LTS"
+* "We use TYPO3 CMS for all our sites."
+* "We use TYPO3 for all our sites." (Informal only.)
+
+..  _spell-t3-wrong-way:
+
+The Wrong Way
+-------------
+
+* "Typo3 is great" (Correct: "TYPO3 is great")
+* "I use typo3" (Correct: "I use TYPO3")
+* "TYPO 3" (Correct: "TYPO3")
+* "Type03" (Correct "TYPO3")
+
+..  _spell-t3-url-exceptions:
+
+Exceptions for URLs
+===================
+
+..  _spell-t3-always-lowercase:
+
+Always Lowercase
+----------------
+
+* "www.typo3.domain"
+* "typo3.domain"
+* "Visit typo3.domain"
+
+..  _spell-t3-never-mixed-case:
+
+Never Mixed Case
+----------------
+
+* "Go to this page at Typo3.domain" (Correct: "Go to this page at typo3.domain")
+* "TYPO3.domain" (Correct: "typo3.domain")
+* "www.Typo3.domain" (Correct: "www.typo3.domain")
+* "www.TYPO3.domain" (Correct: www.typo3.domain")
+* "WWW.TYPO3.DOMAIN" (Correct: www.typo3.domain")