[skip ci] Updated licenses and gitignores

options/license/KiCad-libraries-exception

@@ -0,0 +1 @@
+To the extent that the creation of electronic designs that use 'Licensed Material' can be considered to be 'Adapted Material', then the copyright holder waives article 3 of the license with respect to these designs and any generated files which use data provided as part of the 'Licensed Material'.

options/license/PDDL-1.0

@@ -127,7 +127,7 @@ Please note that some jurisdictions do not allow for the waiver of moral rights,
 
 6.0 General
 
-6.1 If any provision of this Document is held to be invalid or unenforceable, that must not affect the cvalidity or enforceability of the remainder of the terms of this Document.
+6.1 If any provision of this Document is held to be invalid or unenforceable, that must not affect the validity or enforceability of the remainder of the terms of this Document.
 
 6.2 This Document is the entire agreement between the parties with respect to the Work covered here. It replaces any earlier understandings, agreements or representations with respect to the Work not specified here.