refactor(webserver): rename roles and update references

- Rename sys-svc-webserver -> sys-svc-webserver-core
- Rename sys-stk-front-pure -> sys-svc-webserver-https
- Update includes, run_once flags, and docs across:
  * sys-ctl-mtn-cert-renew
  * sys-front-inj-*
  * sys-stk-front-proxy
  * sys-svc-certs
  * sys-svc-cln-domains
  * web-opt-rdr-*
  * web-svc-*
- Remove redundant webserver include in web-opt-rdr-www
- Fix documentation links

Ref: ChatGPT conversation https://chatgpt.com/share/68d6cea2-3570-800f-acb3-c3277317f17b

roles/sys-svc-webserver-core/meta/main.yml

@@ -0,0 +1,21 @@
+galaxy_info:
+  author: "Kevin Veen-Birkenbach"
+  description: "Installs and configures Nginx HTTP and stream modules with performance-tuned defaults."
+  company: |
+    Kevin Veen-Birkenbach
+    Consulting & Coaching Solutions
+    https://www.veen.world
+  license: "Infinito.Nexus NonCommercial License"
+  license_url: "https://s.infinito.nexus/license"
+  min_ansible_version: "2.9"
+  galaxy_tags:
+    - nginx
+    - http
+    - stream
+    - caching
+    - compression
+    - security
+    - performance
+  repository: "https://s.infinito.nexus/code"
+  issue_tracker_url: "https://s.infinito.nexus/issues"
+  documentation: "https://s.infinito.nexus/code/roles/sys-svc-webserver-core"