Some new stuff

- MIT License
- new make-pls.sh
- some tools refactoring and documentation

tools/find-in-all.sh

@@ -6,10 +6,14 @@
 #
 # Usage:
 #     ./download-all.sh
-#     ./find-in-all.sh disney
+#     ./find-in-all.sh "(disney|atv)"
 #
 # 1st argument is channel name pattern.
 #
+# Anthony Axenov (c) 2022
+# The MIT License:
+# https://github.com/anthonyaxenov/iptv/blob/master/LICENSE
+#
 #################################################
 
 SCRIPT_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-$0}"; )" &> /dev/null && pwd 2> /dev/null; )";