update README and add LICENSE

LICENSE

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+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
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+
+                            Preamble
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+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.

README.md

@@ -10,29 +10,50 @@ A gluon compatible status script for respondd in python.
  * python3.3
  * python3-netifaces
  * py-cpuinfo
+ * batman-adv
 
 ## Setup
 
-Adjust config.json
-Adjust aliases.json
+### config.json
+Startparameter for ext-respondd.  
+Copy `config.json.example` to `config.json` and change it to match your server configuration.  
+(`cp config.json.example config.json`)
 
-Create systemd Startup-File:
-/etc/systemd/system/ext-respondd.service
-```
-[Unit]
-Description=ext-respondd (respondd Status for Servers)
-After=syslog.target network.target
-
-[Service]
-Type=simple
-User=root
-Group=root
-WorkingDirectory=/usr/local/src/ext-respondd
-ExecStart=/usr/local/src/ext-respondd/ext-respondd.py
-
-[Install]
-WantedBy=multi-user.target
-```
+ * `batman` (string)
+ * `fastd` (string)
+ * `bridge` (string)
+ * `fastd_socket` (string)
+
+
+### alias.json
+Aliases to overwrite the returned server data.  
+Copy `alias.json.example` to `alias.json` and input e.g. owner information.  
+(`cp alias.json.example alias.json`)
+
+The JSON content matches one block of the nodes.json, which is outputted by e.g. the [HopGlass-Server](https://github.com/plumpudding/hopglass-server).
+
+
+### ext-respondd.service
+Register ext-respondd as a systemd service
 
+```
+cp ext-respondd.service.example /lib/systemd/system/ext-respondd.service
+! modify the path inside of the ext-respondd.service !
 systemctl enable ext-respondd
 systemctl start ext-respondd
+```
+
+## Notes
+Add this to your aliases.json in your [HopGlass-Server](https://github.com/plumpudding/hopglass-server) if this a gateway.
+
+```
+  "gw2": {
+    "nodeinfo": {
+      "hostname": "Gateway 2",
+      "node_id": "gw2"
+    },
+    "flags": {
+      "gateway": true
+    }
+  }
+```