cleanup docs #1

ucloud/docs/source/index.rst

@@ -10,14 +10,14 @@ Welcome to ucloud's documentation!
    :maxdepth: 2
    :caption: Contents:
 
-   introduction/introduction
-   introduction/installation
+   introduction/whatis
+   introduction/howitworks
+   installation/alpine
+   installation/archlinux
    usage/usage-for-admins
    usage/usage-for-users
    usage/how-to-create-an-os-image-for-ucloud
-   theory/summary
-   misc/todo
-   troubleshooting/installation-troubleshooting
+
 
 Indices and tables
 ==================

ucloud/docs/source/installation/archlinux.rst

@@ -0,0 +1,25 @@
+Arch Linux
+----------
+
+Requirements from Arch Linux
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: sh
+    :linenos:
+
+    pacman -Syu qemu
+
+
+Requirements from AUR
+~~~~~~~~~~~~~~~~~~~~~
+
+Use your favorite AUR manager to install the following packages:
+
+* etcd
+
+
+Other
+~~~~~
+Continue like Alpine for
+
+* uotp

ucloud/docs/source/introduction/howitworks.rst

@@ -0,0 +1,20 @@
+How does ucloud work?
+=====================
+
+ucloud is separeted into 3 systems:
+
+1. The client side for using ucloud
+2. The server side
+3. The supporting infrastructure (databases, virtualisation, etc.)
+
+
+Depending on your use case, select one of the following guides to
+continue:
+
+* I want to use
+* I want to operate/run ucloud as a service
+
+
+Architecture
+------------
+Description of the ucloud architecture