Change the documentation now that archinstall is on the official repositories

Changed README.md to not use sudo pip anymore and point users to use pacman instead.
We go into more detail on the docs. Changed binary.rst to point to the official repositories
too. Changed python.rst to point to using the official repositories for the installation of
both the archinstall script or for just installing the library (archinstall depends on python-archinstall).

README.md

@@ -13,14 +13,11 @@ Pre-built ISO's can be found over at https://archlinux.life which autostarts arc
 
 # Installation & Usage
 
-    $ sudo pip install archinstall
+    $ sudo pacman -S archinstall
 
 Or simply `git clone` the repo as it has no external dependencies *(but there are optional ones)*.<br>
 Or run the pre-compiled binary attached in every release as `archinstall-v[ver].tar.gz`.
 
-There's also `PKGBUILD`'s for all the above scenarios.
-And they are also available as Arch Linux packages over at the unofficial mirror [https://archlinux.life](https://archlinux.life/).
-
 ## Running the [guided](examples/guided.py) installer
 
 Assuming you are on a Arch Linux live-ISO and booted into EFI mode.

docs/installing/binary.rst

@@ -12,24 +12,10 @@ For Arch Linux based systems, there's a package for this called `archinstall <ht
 Using pacman
 ------------
 
-Currently, you need to create your own mirror or use https://archlinux.life as a mirror.
+Archinstall is on the `official repositories <https://wiki.archlinux.org/index.php/Official_repositories>`_.
-We'll use the later for this example as it's less of a process to explain.
-
-..note:: To create your own mirror, the `archiso <https://wiki.archlinux.org/index.php/archiso#Custom_local_repository>`_ wiki has a good tutorial and explanation of how and what a custom mirror does.
-
-Setup pacman to use https://archlinux.life as a mirror by modifying `/etc/pacman.conf` to contain the following:
 
 .. code-block:: console
 
-    [archlife]
-    Server = https://archlinux.life/$repo/os/$arch
-    SigLevel = Optional TrustAll
-
-You can now update your mirror-list and install `archinstall`.
-
-.. code-block:: console
-
-    sudo pacman -Syy
     sudo pacman -S archinstall
 
 Using PKGBUILD

docs/installing/python.rst

@@ -9,6 +9,23 @@ But the library can be installed manually as well.
 .. warning::
     This is not required if you're running archinstall on a pre-built ISO. The installation is only required if you're creating your own scripted installations.
 
+Using pacman
+----------
+
+Archinstall is on the `official repositories <https://wiki.archlinux.org/index.php/Official_repositories>`_.
+
+To install both the library and the archinstall script:
+
+.. code-block:: console
+
+    sudo pacman -S archinstall
+
+Or, to install just the library:
+
+.. code-block:: console
+
+    sudo pacman -S python-archinstall
+
 Using PyPi
 ----------