fix: state standalone versions from their code

Each standalone profile records where its version is read: the source
at its pin (clk 2026-07-23-136-g9020107, shadps4 0.20.1 WIP, eden
v0.2.0-401-g26a03d2), the APK, binary or archive read (kind package),
or, where no reading can be made, kind unverified with the reason: a
host the tools cannot read, a forge gone or not answering, no build
recorded as read, a pin on another branch. Those keep their value,
unconfirmed.

emulators/droidarcadia.yml

@@ -9,6 +9,10 @@ version_source:
 author: "James Jacobs (Amigan Software)"
 profiled_date: "2026-10-24"
 core_version: "4.75"
+version_basis:
+  kind: package
+  url: "https://amigan.1emu.net/releases/"
+  artifact: "DroidArcadia-src.rar, release 4.75 on the author's releases page"
 display_name: "Emerson Arcadia 2001 / Interton VC 4000 (DroidArcadia)"
 cores:
   - droidarcadia