add credits to the manuals (#1137)

README.md

@@ -100,3 +100,4 @@ This software is licensed under the LGPL, version 3, or any later version.
 ## Funding
 
 The development of this Julia package is supported by the Deutsche Forschungsgemeinschaft DFG within the [Collaborative Research Center TRR 195](https://www.computeralgebra.de/sfb/).
+The package belongs to [the OSCAR project](https://www.oscar-system.org/).

docs/src/index.md

@@ -32,6 +32,14 @@ using Julia code from the GAP side.
 The viewpoint of an interface from GAP to Julia is described in
 [the manual of the GAP package JuliaInterface](assets/html/JuliaInterface/chap0_mj.html).
 
+## Acknowledgements
+
+The development of this Julia package has been supported
+by the German Research Foundation (DFG) within the
+[Collaborative Research Center TRR 195 *Symbolic Tools in Mathematics
+and their Applications*](https://www.computeralgebra.de/sfb/)
+(from 2017 until 2028).
+
 ## Table of contents
 
 ```@contents

pkg/JuliaInterface/PackageInfo.g

@@ -139,8 +139,9 @@ AutoDoc := rec(
     ),
     Acknowledgements := Concatenation(
       "The development of this ⪆ package has been supported ",
-      "by the <URL><Link>https://www.computeralgebra.de/sfb/</Link>",
-      "<LinkText>SFB-TRR 195 ",
+      "by the German Research Foundation (DFG) within the ",
+      "<URL><Link>https://www.computeralgebra.de/sfb/</Link>",
+      "<LinkText>Collaborative Research Center TRR 195 ",
       "<Q>Symbolic Tools in Mathematics and their Applications</Q>",
       "</LinkText></URL> (from 2017 until 2028).\n",
       "<P/>\n"