Unify binding documentation

Author: jonas

Diff for: docs/src/paradox/bindings/iconv.md

@@ -1,11 +1,11 @@
-# Iconv - Character set conversion
+# iconv
+
+The [`iconv.h`] binding allows to convert text between different character sets, for example convert text from UTF-8 to ISO-8859-1.
 
 To use this binding add the following resolver and the dependency:
 
 @@binding[iconv]
 
-The [`iconv.h`] header allows to convert text between different character sets, for example UTF-8 to ISO-8859-1.
-
 ## Example
 
 @@snip [iconv](../../../../bindings/iconv/src/test/scala/org/scalanative/bindgen/bindings/tests/IconvSpec.scala) { #usage-example }

Diff for: docs/src/paradox/bindings/posix.md

@@ -1,6 +1,8 @@
 # POSIX
 
-An addition to Scala Native's [POSIX](http://www.scala-native.org/en/latest/lib/posixlib.html) bindings. To use one of the POSIX bindings you must add the resolver and the dependency:
+An addition to Scala Native's [POSIX](http://www.scala-native.org/en/latest/lib/posixlib.html) bindings.
+
+To use this binding add the following resolver and dependency:
 
 @@binding[posix]
 

Diff for: docs/src/paradox/bindings/utf8proc.md

@@ -1,13 +1,13 @@
-# Utf8proc - UTF-8 text processing
+# utf8proc
 
-This binding for [`utf8proc.h`] provides Unicode normalization, case-folding, and other operations for strings in the UTF-8 encoding.
+The [utf8proc] binding provides Unicode normalization, case-folding, and other operations for strings in the UTF-8 encoding.
 
-To use it add the following resolver and the dependency:
+To use this binding add the following resolver and dependency:
 
 @@binding[utf8proc]
 
 ## Example
 
 @@snip [iconv](../../../../bindings/utf8proc/src/test/scala/org/scalanative/bindgen/bindings/tests/Utf8procSpec.scala) { #usage-example }
 
- [`utf8proc.h`]: https://juliastrings.github.io/utf8proc/doc/
+ [utf8proc]: https://juliastrings.github.io/utf8proc/doc/