Merge branch '92-deep-link-checker' into 'master'

Deep links tracker

Closes #92

See merge request hifis/hifis.net!119

(cherry picked from commit dd9d4345)

543228c7 Add deeplinkcheck.md
a2b204f8 First comming: added links
d350d7f9 Update deeplinkcheck.md
7bce5f94 added bad link for testing. urls seem to be not formatted as links
8e5cc240 Update deeplinkcheck.md
9fa6ab21 Update deeplinkcheck.md
73c61cdf deleted bad link

deeplinkcheck.md

+---
+title: List of deep links
+title_image: default
+layout: default
+excerpt:
+    This is a list of published deep links to HIFIS and HIFIS documentation pages.
+---
+
+## Links to hifis.net
+{:.text-success}
+
+* <https://hifis.net/doc>
+* <https://hifis.net/policies>
+* <https://hifis.net/team>
+* <https://hifis.net/contact>
+* <https://hifis.net/roadmap>
+* <https://hifis.net/guidelines>
+* <https://hifis.net/news>
+* <https://hifis.net/services>
+
+
+
+
+## Links to Technical documentation
+
+* <https://hifis.net/doc/core-services/aai-proxy/>
+* <https://hifis.net/doc/core-services/fts-endpoint/>
+* <https://hifis.net/doc/service-portfolio/initial-service-portfolio/how-services-are-selected/#selected-services-for-initial-helmholtz-cloud-service-portfolio>
+* <https://hifis.net/doc/service-integration/pilot-services/pilot-services/>
+* <https://hifis.net/doc/backbone-aai/list-of-connected-centers/>
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