update docs

docs/20_Checks/check_gitlab_tokens.md

@@ -52,6 +52,10 @@ GITLAB_TOKEN='glpat-1234567890'
 # REST_CLIENT='/some/where/rest-api-client.sh'
 ```
 
+Hint:
+
+If you need to skip the token check but the check was rolled out on a server then you can set `GITLAB_TOKEN=SKIP`. You can leave the other variables empty.
+
 ## Syntax
 
 ```txt
@@ -59,7 +63,7 @@ GITLAB_TOKEN='glpat-1234567890'
 ______________________________________________________________________
 
 CHECK_GITLAB_TOKENS
-v1.0
+v1.1
 
 (c) Institute for Medical Education - University of Bern
 Licence: GNU GPL 3
@@ -89,8 +93,16 @@ OPTIONS:
     -c VALUE       critical level (default: 10)
 
     -g FILE        path to GITLAB_CONFIG; default: /etc/icinga2/gitlab.cfg
-    -r FILE        path to REST client; default: ./../inc/rest-api-client.sh
-                   It overrides the variable REST_CLIENT.
+                   There you can set/ override:
+
+                     GITLAB_API='https://gitlab.example.com/api/v4'
+                     GITLAB_CONFIG=<TOKEN>
+                     REST_CLIENT="/opt/rest-api-client/rest-api-client.sh"
+
+    -r FILE        path to REST api client
+                   default: /opt/rest-api-client/rest-api-client.sh
+                   The parameter overrides the variable REST_CLIENT.
+
     -s DAYS        Number of days for max age of token; default: 395
 
 PARAMETERS:
@@ -110,7 +122,7 @@ EXAMPLES:
 
 ```
 
-## Example
+## Output
 
 The execution of  `check_gitlab_tokens` returns