document introspect.token_param_name and json_payload_claim for >=2.1.0

Signed-off-by: Hans Zandbelt <hans.zandbelt@openidc.com>

oauth2.conf

@@ -78,7 +78,7 @@
 #
 # <type>     <value>    <description>                             <options> (provided in query-encoded format)
 #
-# introspect <url>      RFC7662 introspection URL                 introspect.ssl_verify, introspect.auth, introspect.cache, introspect.expiry, introspect.params, type
+# introspect <url>      RFC7662 introspection URL                 introspect.ssl_verify, introspect.auth, introspect.cache, introspect.expiry, introspect.token_param_name, introspect.params, type
 # jwks_uri   <url>      JWKS URI that serves the public keys      jwks_uri.ssl_verify, jwks_uri.cache, jwks_uri.expiry, type,
 #                                                                 verify.iss, verify.exp, verify.iat, verify.iat.slack_before, verify.iat.slack_after
 # jwk        <json>     JWK JSON representation of a symmetric    kid (overrides kid in JWK), verify.iss, verify.exp, verify.iat, type,
@@ -111,6 +111,7 @@
 #                                                    default is "default", otherwise must refer to a named cache defined with OAuth2Cache
 # expiry                   <number>                  cache expiry in seconds for access token validation results
 # introspect.auth          <auth>                    endpoint authentication, see Authentication Options
+# introspect.token_param_name <string>               name of the parameter in which the access token is sent, if is not the default "token"
 # introspect.params        <form-encoded-string>     form-encoded extra POST parameters sent to the introspectoin endpoint e.g. key1%3Done%26key2%3Dtwo
 # *.ssl_verify             true|false                verify the TLS certificate presented on the configured HTTPs URL
 # *.cache                  <string>                  cache backend name for results resolved from a URI
@@ -160,5 +161,6 @@
 # authn_header         <name> (-)                       set remote user in authentication header <name>
 # prefix               <string> (OAUTH2_CLAIM_)         append prefix to claim names (in headers/envvars)
 # remote_user_claim    <name> (sub)                     obtain remote user from claim <name>
+# json_payload_claim   <name> (-)						set the JSON payload in header/envar <prefix><name>
 
 #OAuth2TargetPass <options-in-query-encoded-format>