Add abcore mainnet node profile (chain-id 36888)

- Add abcore.Dockerfile for geth-fork binary download from ABFoundationGlobal/abcore
- Add scripts/init.sh for geth initialization with genesis.json and config.toml
- Add generated compose file abcore-mainnet-geth-pruned-pebble-path.yml
- Update compose_registry.json with new entry

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

abcore/abcore.Dockerfile

@@ -0,0 +1,25 @@
+FROM rockylinux:9
+
+COPY ./scripts/init.sh /usr/local/bin/init.sh
+RUN chmod +x /usr/local/bin/init.sh
+
+ARG ABCORE_MAINNET_GETH_VERSION
+
+# Download and verify the geth binary from GitHub releases
+RUN set -eu; \
+    VERSION="${ABCORE_MAINNET_GETH_VERSION}"; \
+    BINARY="geth-${VERSION}"; \
+    URL="https://github.com/ABFoundationGlobal/abcore/releases/download/${VERSION}/${BINARY}"; \
+    SHA256_URL="${URL}.sha256"; \
+    echo "abcore: downloading geth binary from ${URL}"; \
+    curl -fsSL "${URL}" -o "/tmp/${BINARY}"; \
+    echo "abcore: downloading sha256 checksum from ${SHA256_URL}"; \
+    curl -fsSL "${SHA256_URL}" -o "/tmp/${BINARY}.sha256"; \
+    cd /tmp; \
+    sha256sum -c "${BINARY}.sha256" || (echo "abcore: SHA256 verification failed for ${BINARY}" >&2 && exit 1); \
+    chmod +x "${BINARY}"; \
+    mkdir -p /abcore/bin; \
+    mv "${BINARY}" /abcore/bin/geth; \
+    rm -f "${BINARY}" "${BINARY}.sha256"
+
+ENTRYPOINT [ "init.sh" ]