[skip ci] Updated licenses and gitignores

options/license/DRL-1.0

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+Detection Rule License (DRL) 1.0
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this rule set and associated documentation files (the "Rules"), to deal
+in the Rules without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Rules, and to permit persons to whom the Rules are furnished
+to do so, subject to the following conditions:
+
+If you share the Rules (including in modified form), you must retain the following
+if it is supplied within the Rules:
+
+identification of the authors(s) ("author" field) of the Rule and any others
+designated to receive attribution, in any reasonable manner requested by the
+Rule author (including by pseudonym if designated).
+
+a URI or hyperlink to the Rule set or explicit Rule to the extent reasonably
+practicable
+
+indicate the Rules are licensed under this Detection Rule License, and include
+the text of, or the URI or hyperlink to, this Detection Rule License to the
+extent reasonably practicable
+
+THE RULES ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR
+A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE RULES OR THE USE OR OTHER DEALINGS IN THE RULES.