Docs: Fix type, extend local install instructions, add `annotate-spec…

…tra` usage mode.

docs/source/installation.rst

@@ -53,3 +53,11 @@ Clone this repository and use pip to install an editable version:
 .. code-block:: bash
 
    pip install --editable .
+
+
+Optionally, add the ``[dev,docs]`` extras to install the development and
+documentation dependencies:
+
+.. code-block:: bash
+
+   pip install --editable .[dev,docs]

docs/source/prediction-models.rst

@@ -81,7 +81,7 @@ Training new MS²PIP models
 [todo]
 
 
-Prediciton features
+Prediction features
 -------------------
 
 The table below lists and describes all features generated and used by MS²PIP. These are mostly

docs/source/usage.rst

@@ -55,6 +55,11 @@ This mode was first developed in collaboration with the ProGenTomics group for t
 
 To train a new prediction model, see :ref:`Training new MS²PIP models`.
 
+``annotate-spectra``
+---------------------
+
+[todo]
+
 
 Input
 =====