Add structured fields primitive types to format registry

registries/_format/sf-binary.md

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+---
+owner: mikekistler
+issue: 
+description: structured fields byte sequence as defined in [RFC 8941]
+base_type: string
+layout: default
+---
+
+# <a href="..">{{ page.collection }}</a>
+
+## {{ page.slug }} - {{ page.description }}
+
+Base type: `{{ page.base_type }}`.
+
+The `{{page.slug}}` format represents a structured fields byte sequence as defined in [RFC 8941].
+
+```abnf
+sf-binary = ":" *(base64) ":"
+base64    = ALPHA / DIGIT / "+" / "/" / "="
+```
+
+A Byte Sequence is delimited with colons and encoded using base64 ([RFC 4648], Section 4).
+
+{% if page.issue %}
+### GitHub Issue
+
+* [#{{ page.issue }}](https://github.com/OAI/OpenAPI-Specification/issues/{{ page.issue }})
+{% endif %}
+
+{% if page.remarks %}
+### Remarks
+
+{{ page.remarks }}
+{% endif %}
+
+[RFC 8941]: https://www.rfc-editor.org/rfc/rfc8941#name-byte-sequences
+[RFC 4648]: https://www.rfc-editor.org/rfc/rfc4648#section-4

registries/_format/sf-boolean.md

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+---
+owner: mikekistler
+issue: 
+description: structured fields boolean as defined in [RFC 8941]
+base_type: string
+layout: default
+---
+
+# <a href="..">{{ page.collection }}</a>
+
+## {{ page.slug }} - {{ page.description }}
+
+Base type: `{{ page.base_type }}`.
+
+The `{{page.slug}}` format represents a structured fields boolean as defined in [RFC 8941].
+
+```abnf
+sf-boolean = "?" boolean
+boolean    = "0" / "1"
+```
+
+A Boolean is indicated with a leading "?" character followed by a "1" for a true value or "0" for false.
+
+{% if page.issue %}
+### GitHub Issue
+
+* [#{{ page.issue }}](https://github.com/OAI/OpenAPI-Specification/issues/{{ page.issue }})
+{% endif %}
+
+{% if page.remarks %}
+### Remarks
+
+{{ page.remarks }}
+{% endif %}
+
+[RFC 8941]: https://www.rfc-editor.org/rfc/rfc8941#name-booleans

registries/_format/sf-decimal.md

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+---
+owner: mikekistler
+issue: 
+description: structured fields decimal as defined in [RFC 8941]
+base_type: integer
+layout: default
+---
+
+# <a href="..">{{ page.collection }}</a>
+
+## {{ page.slug }} - {{ page.description }}
+
+Base type: `{{ page.base_type }}`.
+
+The `{{page.slug}}` format represents a structured fields decimal as defined in [RFC 8941].
+
+```abnf
+sf-decimal  = ["-"] 1*12DIGIT "." 1*3DIGIT
+```
+
+Decimals are numbers with an integer and a fractional component.
+The integer component has at most 12 digits; the fractional component has at most three digits.
+
+{% if page.issue %}
+### GitHub Issue
+
+* [#{{ page.issue }}](https://github.com/OAI/OpenAPI-Specification/issues/{{ page.issue }})
+{% endif %}
+
+{% if page.remarks %}
+### Remarks
+
+{{ page.remarks }}
+{% endif %}
+
+[RFC 8941]: https://www.rfc-editor.org/rfc/rfc8941#name-decimals

registries/_format/sf-integer.md

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+---
+owner: mikekistler
+issue: 
+description: structured fields integer as defined in [RFC 8941]
+base_type: integer
+layout: default
+---
+
+# <a href="..">{{ page.collection }}</a>
+
+## {{ page.slug }} - {{ page.description }}
+
+Base type: `{{ page.base_type }}`.
+
+The `{{page.slug}}` format represents a structured fields integer as defined in [RFC 8941].
+
+```abnf
+sf-integer = ["-"] 1*15DIGIT
+```
+
+Integers have a range of -999,999,999,999,999 to 999,999,999,999,999 inclusive (i.e., up to fifteen digits, signed),
+for IEEE 754 compatibility [IEEE754].
+
+{% if page.issue %}
+### GitHub Issue
+
+* [#{{ page.issue }}](https://github.com/OAI/OpenAPI-Specification/issues/{{ page.issue }})
+{% endif %}
+
+{% if page.remarks %}
+### Remarks
+
+{{ page.remarks }}
+{% endif %}
+
+[RFC 8941]: https://www.rfc-editor.org/rfc/rfc8941#name-integers
+[IEEE754]: https://ieeexplore.ieee.org/document/8766229

registries/_format/sf-string.md

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+---
+owner: mikekistler
+issue: 
+description: structured fields string as defined in [RFC 8941]
+base_type: string
+layout: default
+---
+
+# <a href="..">{{ page.collection }}</a>
+
+## {{ page.slug }} - {{ page.description }}
+
+Base type: `{{ page.base_type }}`.
+
+The `{{page.slug}}` format represents a structured fields string as defined in [RFC 8941].
+
+```abnf
+sf-string = DQUOTE *chr DQUOTE
+chr       = unescaped / escaped
+unescaped = %x20-21 / %x23-5B / %x5D-7E
+escaped   = "\" ( DQUOTE / "\" )
+```
+
+Strings are zero or more printable ASCII [RFC0020] characters (i.e., the range %x20 to %x7E).
+Note that this excludes tabs, newlines, carriage returns, etc.
+
+Strings are delimited with double quotes, using a backslash ("\") to escape double quotes and backslashes.
+
+{% if page.issue %}
+### GitHub Issue
+
+* [#{{ page.issue }}](https://github.com/OAI/OpenAPI-Specification/issues/{{ page.issue }})
+{% endif %}
+
+{% if page.remarks %}
+### Remarks
+
+{{ page.remarks }}
+{% endif %}
+
+[RFC 8941]: https://www.rfc-editor.org/rfc/rfc8941#name-strings

registries/_format/sf-token.md

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+---
+owner: mikekistler
+issue: 
+description: structured fields token as defined in [RFC 8941]
+base_type: string
+layout: default
+---
+
+# <a href="..">{{ page.collection }}</a>
+
+## {{ page.slug }} - {{ page.description }}
+
+Base type: `{{ page.base_type }}`.
+
+The `{{page.slug}}` format represents a structured fields token as defined in [RFC 8941].
+
+```abnf
+sf-token = ( ALPHA / "*" ) *( tchar / ":" / "/" )
+```
+
+Tokens are short textual words; their abstract model is identical to their expression in the HTTP field value serialization.
+
+{% if page.issue %}
+### GitHub Issue
+
+* [#{{ page.issue }}](https://github.com/OAI/OpenAPI-Specification/issues/{{ page.issue }})
+{% endif %}
+
+{% if page.remarks %}
+### Remarks
+
+{{ page.remarks }}
+{% endif %}
+
+[RFC 8941]: https://www.rfc-editor.org/rfc/rfc8941#name-tokens