add arkeo chain (#128)

chains.yaml

@@ -23,6 +23,28 @@
   binaries:
     - /go/bin/akash
 
+# Arkeo
+- name: arkeo
+  github-organization: arkeonetwork
+  github-repo: arkeo
+  dockerfile: cosmos
+  build-target: make install
+  binaries:
+    - /go/bin/arkeod
+  build-env:
+    - CGO_ENABLED=0
+  pre-build: |
+    apk --no-cache add findutils curl protoc && \
+    rm -rf /var/cache/apk/*
+    BIN="/usr/local/bin" && \
+    VERSION="1.20.0" && \
+    curl -sSL \
+    "https://github.com/bufbuild/buf/releases/download/v${VERSION}/buf-$(uname -s)-$(uname -m)" \
+-o "${BIN}/buf" && \
+    chmod +x "${BIN}/buf"
+    make protob
+
+
 # Assetmantle
 - name: assetmantle
   github-organization: assetmantle