init: bootstrap repo + README

README.md

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+# EZSCALE Generic Binary Storage
+
+This repo serves as the storage backend for closed-source third-party
+binaries that the metabans CI pipeline bakes into container images at
+build time (binaries that we can't commit to the metabans repo for
+license reasons).
+
+## How CI fetches
+
+Each release here corresponds to a binary version. The metabans
+deploy.yaml workflow downloads the asset via authenticated curl into
+the docker build context before `docker build`.
+
+## Currently hosted
+
+- **`pbucon.run`** (PunkBuster UDP Console client, EvenBalance) —
+  release tag `pbucon-<version>`. ELF 32-bit i386 glibc. Used by the
+  pb-relay service.