Docs: Fix spacing in code blocks in webhook raketask doc

doc/raketasks/web_hooks.md

@@ -3,53 +3,53 @@
 ## Add a webhook for **ALL** projects:
 
 ```sh
-    # omnibus-gitlab
-    sudo gitlab-rake gitlab:web_hook:add URL="http://example.com/hook"
-    # source installations
-    bundle exec rake gitlab:web_hook:add URL="http://example.com/hook" RAILS_ENV=production
+# omnibus-gitlab
+sudo gitlab-rake gitlab:web_hook:add URL="http://example.com/hook"
+# source installations
+bundle exec rake gitlab:web_hook:add URL="http://example.com/hook" RAILS_ENV=production
 ```
 
 ## Add a webhook for projects in a given **NAMESPACE**:
 
 ```sh
-    # omnibus-gitlab
-    sudo gitlab-rake gitlab:web_hook:add URL="http://example.com/hook" NAMESPACE=acme
-    # source installations
-    bundle exec rake gitlab:web_hook:add URL="http://example.com/hook" NAMESPACE=acme RAILS_ENV=production
+# omnibus-gitlab
+sudo gitlab-rake gitlab:web_hook:add URL="http://example.com/hook" NAMESPACE=acme
+# source installations
+bundle exec rake gitlab:web_hook:add URL="http://example.com/hook" NAMESPACE=acme RAILS_ENV=production
 ```
 
 ## Remove a webhook from **ALL** projects using:
 
 ```sh
-    # omnibus-gitlab
-    sudo gitlab-rake gitlab:web_hook:rm URL="http://example.com/hook"
-    # source installations
-    bundle exec rake gitlab:web_hook:rm URL="http://example.com/hook" RAILS_ENV=production
+# omnibus-gitlab
+sudo gitlab-rake gitlab:web_hook:rm URL="http://example.com/hook"
+# source installations
+bundle exec rake gitlab:web_hook:rm URL="http://example.com/hook" RAILS_ENV=production
 ```
 
 ## Remove a webhook from projects in a given **NAMESPACE**:
 
 ```sh
-    # omnibus-gitlab
-    sudo gitlab-rake gitlab:web_hook:rm URL="http://example.com/hook" NAMESPACE=acme
-    # source installations
-    bundle exec rake gitlab:web_hook:rm URL="http://example.com/hook" NAMESPACE=acme RAILS_ENV=production
+# omnibus-gitlab
+sudo gitlab-rake gitlab:web_hook:rm URL="http://example.com/hook" NAMESPACE=acme
+# source installations
+bundle exec rake gitlab:web_hook:rm URL="http://example.com/hook" NAMESPACE=acme RAILS_ENV=production
 ```
 
 ## List **ALL** webhooks:
 
 ```sh
-    # omnibus-gitlab
-    sudo gitlab-rake gitlab:web_hook:list
-    # source installations
-    bundle exec rake gitlab:web_hook:list RAILS_ENV=production
+# omnibus-gitlab
+sudo gitlab-rake gitlab:web_hook:list
+# source installations
+bundle exec rake gitlab:web_hook:list RAILS_ENV=production
 ```
 
 ## List the webhooks from projects in a given **NAMESPACE**:
 
 ```sh
-  # omnibus-gitlab
-  sudo gitlab-rake gitlab:web_hook:list NAMESPACE=acme
-  # source installations
-  bundle exec rake gitlab:web_hook:list NAMESPACE=acme RAILS_ENV=production
-```
\ No newline at end of file
+# omnibus-gitlab
+sudo gitlab-rake gitlab:web_hook:list NAMESPACE=acme
+# source installations
+bundle exec rake gitlab:web_hook:list NAMESPACE=acme RAILS_ENV=production
+```