[libhttpseverywhere] readme: doc instructions and packaging badge

[Daniel Brendle <elbren src gnome org>]

commit f1a73f8454461cb93ae88ce54663871e1be4cfd0
Author: grindhold <grindhold gmx net>
Date:   Sat Sep 23 14:46:36 2017 +0200

    readme: doc instructions and packaging badge
    
      * we now display a repology badge to demonstrate where
        our package has found a home in
      * clearer instructions about building docs

 README.md |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/README.md b/README.md
index 7f26729..44a1b15 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 libhttpseverywhere
 ==================
 
+[![Packaging 
status](https://repology.org/badge/vertical-allrepos/libhttpseverywhere.svg)](https://repology.org/metapackage/libhttpseverywhere)
+
 This library enables you to leverage the power of
 [HTTPSEverywhere](https://www.eff.org/https-everywhere) to any desktop-application you want
 
@@ -22,7 +24,6 @@ Documentation
 -------------
 
 You can either generate the documentation as a devhelp-book for yourself (see Building-section)
-or you can browse them online: [httpseverywhere-0.2 API docs](http://grindhold.de/httpseverywhere-0.2/)
 
 Dependencies
 ------------
@@ -65,6 +66,13 @@ $ meson build && cd build
 $ ninja
 ```
 
+If you want to build the documentation, make sure you have valadoc available
+on your system and call meson like this:
+
+```
+meson -Denable_valadoc=true build && cd build
+```
+
 If you desire to install the library, execute:
 
 ```