Adding bcr configuration

.bcr/metadata.template.json

diff --git a/.bcr/metadata.template.json b/.bcr/metadata.template.json
new file mode 100644
index 0000000..fc7026e
--- /dev/null
+++ b/.bcr/metadata.template.json
@@ -0,0 +1,6 @@
+{
+  "homepage": "https://github.com/bazelbuild/rules_java",
+  "maintainers": [],
+  "versions": [],
+  "yanked_versions": {}
+}

.bcr/presubmit.yml

diff --git a/.bcr/presubmit.yml b/.bcr/presubmit.yml
new file mode 100644
index 0000000..0cbdf61
--- /dev/null
+++ b/.bcr/presubmit.yml
@@ -0,0 +1,8 @@
+matrix:
+  platform: ["centos7", "debian10", "macos", "ubuntu2004", "windows"]
+tasks:
+  verify_build_targets:
+    name: "Verify build targets"
+    platform: ${{ platform }}
+    build_targets:
+      - "@rules_java//..."

.bcr/source.template.json

diff --git a/.bcr/source.template.json b/.bcr/source.template.json
new file mode 100644
index 0000000..4f14819
--- /dev/null
+++ b/.bcr/source.template.json
@@ -0,0 +1,5 @@
+{
+  "integrity": "",
+  "strip_prefix": "{REPO}-{VERSION}",
+  "url": "https://github.com/{OWNER}/{REPO}/archive/refs/tags/{TAG}.tar.gz"
+}