Change license and fix ebuild's 'files' dir, sources (S variable in the ebuild), unknown parameter.

https://devmanual.gentoo.org/ebuild-writing/variables/

app-misc/nayuos-chromium-policy/files/nayuos_policy.json

 {
   "DefaultSearchProviderName": "DuckDuckGo",
   "DefaultSearchProviderSearchURL": "https://duckduckgo.com/?q={searchTerms}",
-  "DefaultSearchProviderEncodings": "UTF-8",
 }

app-misc/nayuos-chromium-policy/nayuos-chromium-policy-1.0.ebuild → app-misc/nayuos-chromium-policy/nayuos-chromium-policy-1.0-r3.ebuild

@@ -3,7 +3,8 @@ EAPI="4"
 DESCRIPTION="Set up NayuOS-specific policies for chromium"
 HOMEPAGE="https://www.nayuos.com/"
 
-LICENSE="MIT"
+S="${WORKDIR}"
+LICENSE="GPL"
 SLOT="0"
 KEYWORDS="*"
 IUSE=""
@@ -16,5 +17,5 @@ src_install()
   dodir /etc/chromium/policies/recommended
 
   insinto /etc/chromium/policies/recommended
-  doins files/nayuos_policy.json
+  doins ${FILESDIR}/nayuos_policy.json
 }