[docs] Minor docs fixes

Author: nemesifier

docs/developer/extending.rst

@@ -37,7 +37,7 @@ a field ``social_security_number`` in the `sample_users/models.py
 
 Firstly, to get started you need to create a django project:
 
-.. code-block::
+.. code-block:: bash
 
     django-admin startproject mycontroller
 
@@ -55,7 +55,7 @@ of python scripts), in the following examples we'll call these django app
 ``sample_config``, ``sample_pki``, ``sample_connection``, ``sample_geo`` &
 ``sample_subnet_division``. but you can name it how you want:
 
-.. code-block::
+.. code-block:: bash
 
     django-admin startapp sample_config
     django-admin startapp sample_pki
@@ -77,7 +77,7 @@ apps, please refer to the `django documentation
 
 Install (and add to the requirement of your project) openwisp-controller:
 
-.. code-block::
+.. code-block:: bash
 
     pip install openwisp-controller
 
@@ -364,7 +364,7 @@ step 1.
 
 Create database migrations:
 
-.. code-block::
+.. code-block:: bash
 
     ./manage.py makemigrations
 
@@ -385,7 +385,7 @@ make a migrations file which would look like:
 
 Create database migrations:
 
-.. code-block::
+.. code-block:: bash
 
     ./manage.py migrate
 
@@ -723,7 +723,7 @@ For running the tests, you need to copy fixtures as well:
 
 You can then run tests with:
 
-.. code-block::
+.. code-block:: bash
 
     # the --parallel flag is optional
     ./manage.py test --parallel mycontroller

docs/developer/installation.rst

@@ -166,7 +166,7 @@ Unable to Load SpatiaLite library Extension?
 
 If you are incurring in the following exception:
 
-.. code-block::
+.. code-block:: text
 
     django.core.exceptions.ImproperlyConfigured: Unable to load the SpatiaLite library extension
 

docs/index.rst

@@ -6,7 +6,7 @@ Controller
     **Source code**: `github.com/openwisp/openwisp-controller
     <https://github.com/openwisp/openwisp-controller>`_.
 
-OpenWISP Controller is responsible of of managing the core resources of
+OpenWISP Controller is responsible for managing the core resources of
 the network and allows automating several aspects like adoption,
 provisioning, VPN tunnel configuration, generation of X509 certificates,
 subnet and IP address allocation and more.

docs/user/import-export.rst

@@ -16,7 +16,7 @@ needed, for example, the following CSV file will import a device named
 ``TestImport`` with mac address ``00:11:22:09:44:55`` in the organization
 with UUID ``3cb5e18c-0312-48ab-8dbd-038b8415bd6f``:
 
-.. code-block::
+.. code-block:: csv
 
     organization,name,mac_address
     3cb5e18c-0312-48ab-8dbd-038b8415bd6f,TestImport,00:11:22:09:44:55

docs/user/openvpn.rst

@@ -65,14 +65,14 @@ After installing both Ansible and Git, install the required roles:
 Create an Ansible inventory file named ``inventory`` **on your local
 machine** (not on the server) with the following contents:
 
-.. code-block::
+.. code-block:: ini
 
     [openvpn]
     your_server_domain_or_ip
 
 For example, if your server IP is ``192.168.56.2``:
 
-.. code-block::
+.. code-block:: ini
 
     [openvpn]
     192.168.56.2

docs/user/templates.rst

@@ -165,7 +165,7 @@ device registers in the system.
 
 Here's the sample ``/etc/config/openwisp`` configuration for mesh devices:
 
-.. code-block::
+.. code-block:: ini
 
     config controller 'http'
         option url 'https://openwisp2.mynetwork.com'
@@ -184,7 +184,7 @@ assigned to them.
 The sample ``/etc/config/openwisp`` configuration for dumb access points
 is the following:
 
-.. code-block::
+.. code-block:: ini
 
     config controller 'http'
         option url 'https://openwisp2.mynetwork.com'