[Docs] Add examples. (#156)

* Remove pull request conputation of the docs.

* Add archimedeans examples

* Add eliptical examples

* refactor fitting example

* add examples in the getting_started page

* typo

* add examples to the sklar page

* add dependencies to the docs environnement

* add examples to the GaussianCopula docstring

* add example to the TCopula docstring

* typo

* add example to the EllipticalCopula docstring

* typo

* typos

.github/workflows/CI.yml

@@ -41,6 +41,9 @@ jobs:
   docs:
     name: Documentation
     runs-on: ubuntu-latest
+    if: >-
+        !contains(github.event.head_commit.message, '[skip docs]')
+        && github.event_name != 'pull_request'
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1