Adding menu at the footer, fixed some prerequisites quirks.

Install.md

@@ -33,12 +33,14 @@ section.
 1. Find the latest relaease in the [Release](/libreitalia/loaih/releases)
    page and download the relative `.whl` file (e.g. `loaih-1.3.3-py3-none-any.whl`);
 2. Ensure you have the `wheel` package installed in your system:
-
+    ```
     pip install wheel
+    ```
 
 3. Use `pip` to install the wheel you downloaded:
-
+    ```
     pip install /path/to/loaih-1.3.3-py3-none-any.whl
+    ```
 
 ## From PyPI ##
 
@@ -53,3 +55,6 @@ it directly from [PyPI](https://pypi.org/project/loaih/):
 Just execute `loaih` from the command line with any further options:
 
     loaih
+
+---
+[Home](Home.md) — [Prerequisites](Prerequisites.md) — [Usage - versions](Version.md) — [Usage - manual build](Build.md) — [Usage - batch build](Batch.md)

Prerequisites.md

@@ -7,10 +7,12 @@ installed on your machine:
 * `dpkg`: Considering that we build the AppImage from the Debian packages,
 * `find`: it is used mostly to interact with downloaded files;
 * `fuse` and the relative kernel modules loaded;
-  we need `dpkg` to extract the contents;
 * `md5sum`: used optionally to create checksums of the generated files;
 * `rsync`: if the repository is remote, the application can publish directly
   the contents using rsync;
 * `sed`: used to manipulate some source files;
 * `tar` and `gzip`: used to unpack the general downloads from LibreOffice
   official websites.
+
+---
+[Home](Home.md) — [Installation](Install.md) — [Usage - versions](Version.md) — [Usage - manual build](Build.md) — [Usage - batch build](Batch.md)