Update 2FA ABAP Doc comments

Fixes #1924

src/http/zcl_abapgit_2fa_auth_base.clas.abap

@@ -1,4 +1,4 @@
-"! Default <em>LIF_2FA-AUTHENTICATOR</em> implememtation
+"! Default {@link ZIF_ABAPGIT_2FA_AUTHENTICATOR} implementation
 CLASS zcl_abapgit_2fa_auth_base DEFINITION
   PUBLIC
   ABSTRACT
@@ -17,7 +17,7 @@ CLASS zcl_abapgit_2fa_auth_base DEFINITION
     METHODS:
       "! @parameter iv_supported_url_regex | Regular expression to check if a repository url is
       "!                                     supported, used for default implementation of
-      "!                                     <em>SUPPORTS_URL</em>
+      "!                                     {@link .METH:supports_url}
       constructor IMPORTING iv_supported_url_regex TYPE clike.
   PROTECTED SECTION.
     CLASS-METHODS:

src/http/zcl_abapgit_2fa_auth_registry.clas.abap

@@ -1,4 +1,4 @@
-"! Static registry class to find <em>LIF_2FA_AUTHENTICATOR</em> instances
+"! Static registry class to find {@link ZIF_ABAPGIT_2FA_AUTHENTICATOR} instances
 CLASS zcl_abapgit_2fa_auth_registry DEFINITION
   PUBLIC
   FINAL
@@ -9,8 +9,8 @@ CLASS zcl_abapgit_2fa_auth_registry DEFINITION
       class_constructor,
       "! Retrieve an authenticator instance by url
       "! @parameter iv_url | Url of the repository / service
-      "! @parameter ro_authenticator | Found authenticator instance
+      "! @parameter ri_authenticator | Found authenticator instance
-      "! @raising lcx_2fa_unsupported | No authenticator found that supports the service
+      "! @raising zcx_abapgit_2fa_unsupported | No authenticator found that supports the service
       get_authenticator_for_url IMPORTING iv_url                  TYPE string
                                 RETURNING VALUE(ri_authenticator) TYPE REF TO zif_abapgit_2fa_authenticator
                                 RAISING   zcx_abapgit_2fa_unsupported,

src/http/zif_abapgit_2fa_authenticator.intf.abap

@@ -6,27 +6,26 @@
 "! implementation of the git http api, just like the "normal" password would.
 "! </p>
 "! <p>
-"! <em>LCL_2FA_AUTHENTICATOR_REGISTRY</em> can be used to find a suitable implementation for a given
+"! {@link ZCL_ABAPGIT_2FA_AUTH_REGISTRY} can be used to find a suitable implementation for a
-"! repository.
+"! given repository.
 "! </p>
 "! <p>
-"! Using the <em>begin</em> and <em>end</em> methods an internal session can be started and
+"! Using the {@link zif_abapgit_2fa_authenticator.METH:begin} and
+"! {@link zif_abapgit_2fa_authenticator.METH.end} methods an internal session can be started and
 "! completed in which internal state necessary for multiple methods will be cached. This can be
-"! used to avoid having multiple http sessions between <em>authenticate</em> and
+"! used to avoid having multiple http sessions between
-"! <em>delete_access_tokens</em>.
+"! {@link zif_abapgit_2fa_authenticator.METH:authenticate} and
+"! {@link zif_abapgit_2fa_authenticator.METH:delete_access_tokens}.
 "! </p>
-INTERFACE zif_abapgit_2fa_authenticator
+INTERFACE zif_abapgit_2fa_authenticator PUBLIC.
-  PUBLIC .
-
-
   "! Generate an access token
   "! @parameter iv_url | Repository url
   "! @parameter iv_username | Username
   "! @parameter iv_password | Password
   "! @parameter iv_2fa_token | Two factor token
   "! @parameter rv_access_token | Generated access token
-  "! @raising lcx_2fa_auth_failed | Authentication failed
+  "! @raising zcx_abapgit_2fa_auth_failed | Authentication failed
-  "! @raising lcx_2fa_token_gen_failed | Token generation failed
+  "! @raising zcx_abapgit_2fa_gen_failed | Token generation failed
   METHODS authenticate
     IMPORTING
       !iv_url                TYPE string
@@ -39,7 +38,7 @@ INTERFACE zif_abapgit_2fa_authenticator
       zcx_abapgit_2fa_auth_failed
       zcx_abapgit_2fa_gen_failed
       zcx_abapgit_2fa_comm_error .
-  "! Check if this authenticator instance supports the give repository url
+  "! Check if this authenticator instance supports the given repository url
   "! @parameter iv_url | Repository url
   "! @parameter rv_supported | Is supported
   METHODS supports_url
@@ -66,8 +65,8 @@ INTERFACE zif_abapgit_2fa_authenticator
   "! @parameter iv_username | Username
   "! @parameter iv_password | Password
   "! @parameter iv_2fa_token | Two factor token
-  "! @raising lcx_2fa_token_del_failed | Token deletion failed
+  "! @raising zcx_abapgit_2fa_del_failed | Token deletion failed
-  "! @raising lcx_2fa_auth_failed | Authentication failed
+  "! @raising zcx_abapgit_2fa_auth_failed | Authentication failed
   METHODS delete_access_tokens
     IMPORTING
       !iv_url       TYPE string
@@ -79,12 +78,12 @@ INTERFACE zif_abapgit_2fa_authenticator
       zcx_abapgit_2fa_comm_error
       zcx_abapgit_2fa_auth_failed .
   "! Begin an authenticator session that uses internal caching for authorizations
-  "! @raising lcx_2fa_illegal_state | Session already started
+  "! @raising zcx_abapgit_2fa_illegal_state | Session already started
   METHODS begin
     RAISING
       zcx_abapgit_2fa_illegal_state .
   "! End an authenticator session and clear internal caches
-  "! @raising lcx_2fa_illegal_state | Session not running
+  "! @raising zcx_abapgit_2fa_illegal_state | Session not running
   METHODS end
     RAISING
       zcx_abapgit_2fa_illegal_state .