chore: add backstage metadata

Author: vzctl

.catalog-info.yaml

@@ -0,0 +1,9 @@
+---
+apiVersion: backstage.io/v1alpha1
+kind: Location
+metadata:
+  name: near-plugins-public
+  description: Public Near Plugins repository
+spec:
+  targets:
+    - ./**/.catalog-info.yaml

examples/.catalog-info.yaml

@@ -0,0 +1,18 @@
+---
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: near-plugins-examples
+  description: |-
+    Aurora Engine Tests
+  tags:
+    - near
+  links: []
+  annotations:
+    aurora.dev/security-tier: "-1"
+spec:
+  owner: protocol-team
+  type: contract-examples
+  lifecycle: production
+  system: near-plugins
+  interactsWith: []

near-plugins-derive/.catalog-info.yaml

@@ -0,0 +1,19 @@
+---
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: near-plugins-derive
+  description: |-
+    Implementation of common patterns used for NEAR smart contracts.
+  tags:
+    - contract-library
+    - near
+  links: []
+  annotations:
+    aurora.dev/security-tier: "1"
+spec:
+  owner: protocol-team
+  type: contract-library
+  lifecycle: production
+  system: near-plugins
+  interactsWith: []

near-plugins/.catalog-info.yaml

@@ -0,0 +1,19 @@
+---
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: near-plugins
+  description: |-
+    Implementation of common patterns used for NEAR smart contracts.
+  tags:
+    - contract-library
+    - near
+  links: []
+  annotations:
+    aurora.dev/security-tier: "1"
+spec:
+  owner: protocol-team
+  type: contract-library
+  lifecycle: production
+  system: near-plugins
+  interactsWith: []