Merge pull request #18 from PurnaChandraMansingh/doc_freenode

Replace freenode references with libera chat

Author: pombredanne

builtins/extractcode_libarchive-linux/src/extractcode_libarchive/licenses/xz/README

@@ -230,7 +230,5 @@ XZ Utils
     I'm sometimes slow at replying. If you haven't got a reply within two
     weeks, assume that your email has got lost and resend it or use IRC.
 
-    You can find me also from #tukaani on Freenode; my nick is Larhzu.
-    The channel tends to be pretty quiet, so just ask your question and
-    someone may wake up.
-
+    You can join us on the Gitter chat channel at https://gitter.im/aboutcode-org/discuss
+    or also can use your favorite IRC client at https://web.libera.chat/?#aboutcode .

builtins/extractcode_libarchive-macosx/src/extractcode_libarchive/licenses/xz/README

@@ -230,7 +230,5 @@ XZ Utils
     I'm sometimes slow at replying. If you haven't got a reply within two
     weeks, assume that your email has got lost and resend it or use IRC.
 
-    You can find me also from #tukaani on Freenode; my nick is Larhzu.
-    The channel tends to be pretty quiet, so just ask your question and
-    someone may wake up.
-
+    You can join us on the Gitter chat channel at https://gitter.im/aboutcode-org/discuss
+    or also can use your favorite IRC client at https://web.libera.chat/?#aboutcode .