feat: dzgui 7 alpha

docs/source/installation.rst

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+Installation
+==================
+
+Dependencies
+----------------------
+
+If not already installed, the below can be found in your system’s package manager.
+
+If any dependencies are missing when the application starts, it will warn you, so you need not take any preemptive measures here.
+
+- curl
+- jq
+- PyGObject (python-gobject)
+- steam
+- wmctrl or xdotool
+- zenity
+
+.. note::
+    All dependencies are installed out of the box on Steam Deck.
+
+Downloading
+------------------
+
+Automatic installation
+^^^^^^^^^^^^^^^^^^^^^^^
+Invoke the command below from a terminal:
+
+.. code:: console
+
+    curl -s "https://codeberg.org/aclist/dztui/raw/branch/dzgui/install.sh" | bash
+
+
+Manual installation
+^^^^^^^^^^^^^^^^^^^^
+
+Clone the repository:
+
+.. code:: console
+
+    git clone https://codeberg.org/aclist/dztui.git
+
+Set the executable bit on ``dzgui.sh``:
+
+.. code:: console
+
+    chmod +x dzgui.sh
+
+
+Launch the script:
+
+.. code:: console
+
+    ./dzgui.sh
+
+nixOS installation
+^^^^^^^^^^^^^^^^^^^
+Two packages are independently maintained by other contributors. Each takes a slightly different approach:
+
+- https://github.com/lelgenio/dzgui-nix
+- https://github.com/jiriks74/dzgui.flake
+
+Next steps
+---------------
+Proceed to the next section for setup instructions.