docs: remove judging, adjust coord precision

docs/api-reference/endpoints/matrix/index.md

@@ -8,10 +8,10 @@ the most important and mandatory content of a matrix request is a list of locati
 ```json
 {
   "locations": [
-    [8.660445213317873,49.41571970315377],
-    [8.678426742553713,49.40664510534002],
-    [8.683705329895021,49.40854392919813],
-    [8.690142631530763,49.40778999322175]
+    [8.66044,49.41571],
+    [8.67842,49.40664],
+    [8.68370,49.40854],
+    [8.69014,49.40778]
   ]
 }
 ```

docs/contributing/index.md

@@ -1,12 +1,14 @@
 # Contributing
-When people contribute to openrouteservice, it makes [the whole
-team](https://heigit.org/heigit-team/) do a little happy dance!  There are many
-ways that you can contribute to make openrouteservice a better routing service.
-Whether you are a Java developer who is interested in fixing some bugs or
-adding some new functionality, someone who knows an area well and can update
-information in OSM so that openrouteservice can take it into account, or even
-someone who speaks different languages and is will to provide some translations
-for routing instructions, there will be something that you can help with.
+
+We are glad that you decided to contribute to the openrouteservice.
+
+There are many ways that to do so which make openrouteservice a better
+routing service.  Whether you are a Java developer who is interested in fixing
+some bugs or adding some new functionality, someone who knows an area well and
+can update information in OSM so that openrouteservice can take it into
+account, or even someone who speaks different languages and is will to provide
+some translations for routing instructions, there will be something that you
+can help with.
 
 Feel free to create an [issue](https://github.com/GIScience/openrouteservice/issues) and label it accordingly.
 If your issue regards the openrouteservice maps client on [maps.openrouteservice.org](https://maps.openrouteservice.org)