ci(docs): streamline documentation build process by using [docs] ex…

…tra in pip install

docs(README): update instructions to include `[docs]` extra and add info about Read the Docs integration

.github/workflows/docs.yml

@@ -22,8 +22,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install sphinx furo myst-parser
-        pip install -e .
+        pip install -e .[docs]
 
     - name: Build documentation
       run: |

README.md

@@ -256,6 +256,9 @@ the beginning of the README.
 To build and view the documentation locally:
 
 ```bash
+# Install documentation dependencies
+pip install -e .[docs]
+
 # Build the documentation
 cd docs
 make clean && make html
@@ -269,6 +272,11 @@ python -m http.server 8000 --directory _build/html
 
 Then open your browser and navigate to `http://localhost:8000` to view the documentation.
 
+The documentation is also automatically built by GitHub Actions on pull requests and pushes to main. After merging to main, you can view:
+
+- Public documentation at https://camtools.readthedocs.io/en/latest/
+- Admin panel at https://app.readthedocs.org/projects/camtools/
+
 ## Contributing
 
 - Follow [Angular's commit message convention](https://github.com/angular/angular/blob/main/CONTRIBUTING.md#-commit-message-format) for PRs.