feat: release 2.1.0 version of the spec (asyncapi#575) Co-authored-by: Dale Lane <dale.lane@gmail.com> Co-authored-by: Maciej Urbańczyk <urbanczyk.maciej.95@gmail.com> Co-authored-by: Laurent Broudoux <laurent.broudoux@gmail.com> Co-authored-by: nictownsend <nictownsend@uk.ibm.com>

feat: add name and summary properties to message examples (asyncapi#534) 

feat: add new protocol bindings for IBM MQ (asyncapi#537) Added protocol constant that was defined in asyncapi/bindings#52 Contributes to: asyncapi/bindings#48 Signed-off-by: Dale Lane <dale.lane@uk.ibm.com>

fix: clarify support for Boolean JSON Schemas (asyncapi#561) 

feat: add SASL security scheme types for use by Kafka specs (asyncapi… …#502) * feat: add SASL security scheme types for use by Kafka specs As discussed in asyncapi/bindings#56 this adds additional security scheme types. The motivation for adding them is to enable description of secured Kafka clusters, however the security protocols and mechanisms being added are not unique to Kafka, so this commit adds them as generic security schemes so they could be used by other protocols as well. Contributes to: asyncapi#466 Signed-off-by: Dale Lane <dale.lane@uk.ibm.com> * chore: update for grammar Moved the "and" to the end of the list. Signed-off-by: Dale Lane <dale.lane@uk.ibm.com> * docs: additional SASL documentation Contributes to: asyncapi#466 Signed-off-by: Dale Lane <dale.lane@uk.ibm.com>

chore: update release branch with latest master (asyncapi#544) 

additional release tag for 2.0 version that follows convention with "… …v" prefix

Merge pull request asyncapi#265 from asyncapi/release/2.0.0 Release 2.0.0

Merge pull request asyncapi#260 from asyncapi/release/2.0.0-rc2 Release version 2.0.0-rc2

Release version 2.0.0-rc1