Add instructions for building docs

Author: IsabelParedes

docs/dev_docs.rst

@@ -0,0 +1,23 @@
+Building the Docs
+=================
+
+1. Clone the repository and create a new environment for development
+2. From the root directory, install the dependencies
+
+   .. code-block:: bash
+
+      jlpm run install:docs
+
+3. Build the documents
+
+   .. code-block:: bash
+
+      jlpm run build:docs
+
+4. Open the documentation locally
+
+   .. code-block:: bash
+
+      jlpm run serve:docs
+
+5. From a web browser, navigate to ``localhost:8000``