Some new stuff

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

tools/download-all.sh

@@ -10,8 +10,13 @@
 # All playlists from playlists.ini will be
 # downloaded in ./downloaded directory
 #
+# Anthony Axenov (c) 2022
+# The MIT License:
+# https://github.com/anthonyaxenov/iptv/blob/master/LICENSE
+#
 #################################################
 
-mkdir -p downloaded && \
-    cd downloaded && \
+rm -rf ./downloaded
+mkdir -p ./downloaded && \
+    cd ./downloaded && \
     grep -P "pls='(.*)'" ../playlists.ini | sed "s/^pls=//g" | sed "s/'//g" | tr -d '\r' | xargs wget