65% and 68 key community layouts (#3872)

* rename 68_ansi layout to 65_ansi layout

* more renames and readme change

* add company names

* add community layouts for 68_ansi

* add 68_ansi support for mf68 type boards

* update readme

layouts/default/65_ansi/layout.json

@@ -0,0 +1,5 @@
+["","","","","","","","","","","","","",{w:2},"",""],
+[{w:1.5},"","","","","","","","","","","","","",{w:1.5},"",""],
+[{w:1.75},"","","","","","","","","","","","",{w:2.25},"",""],
+[{w:2.25},"","","","","","","","","","","",{w:1.75},"","",""],
+[{w:1.25},"",{w:1.25},"",{w:1.25},"",{w:6.25},"","","","","","",""]