Add tags for buffer-local variants of each linter option

doc/ale-spec.txt

@@ -12,14 +12,15 @@ Integration Information
 
   Currently linters must be enabled globally.  The rpmlint linter can be
   enabled with:
-
+>
   let g:ale_linters = {'spec': ['rpmlint']}
+<
 
 -------------------------------------------------------------------------------
 rpmlint                                                      *ale-spec-rpmlint*
 
 g:ale_spec_rpmlint_executable                   *g:ale_spec_rpmlint_executable*
-
+                                                *b:ale_spec_rpmlint_executable*
   Type: |String|
   Default: `'rpmlint'`
 
@@ -27,15 +28,16 @@ g:ale_spec_rpmlint_executable                   *g:ale_spec_rpmlint_executable*
 
 
 g:ale_spec_rpmlint_options                         *g:ale_spec_rpmlint_options*
-
+                                                   *b:ale_spec_rpmlint_options*
   Type: |String|
   Default: `''`
 
   Set this to pass extra arguments to rpmlint.
 
   For example, to instruct rpmlint to use a specific configuration file:
-
+>
   let g:ale_spec_rpmlint_options = '-f custom.cf'
+<
 
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   vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl: