chore: update opengb -> backend rename

errors/backend/env-not-found.md

@@ -0,0 +1,9 @@
+---
+name = "BACKEND_ENV_NOT_FOUND"
+description = "Backend environment not found."
+http_status = 404
+---
+
+# Backend Environment Not Found
+
+The requested environment could not be found.

errors/backend/env-update-failed.md

@@ -0,0 +1,9 @@
+---
+name = "BACKEND_ENV_UPDATE_FAILED"
+description = "Failed to update Backend environment: {reason}."
+http_status = 400
+---
+
+# Backend Environment Update Failed
+
+The environment could not be updated for the provided reason.

errors/opengb/invalid-neon-project-config.md → errors/backend/invalid-neon-project-config.md

@@ -1,10 +1,10 @@
 ---
-name = "OPENGB_INVALID_NEON_PROJECT_CONFIG"
+name = "BACKEND_INVALID_NEON_PROJECT_CONFIG"
 description = "Neon project config is invalid: {reason}."
 http_status = 400
 ---
 
-# OpenGB Invalid Neon Project Config
+# Backend Invalid Neon Project Config
 
 The Neon project config given was invalid. See https://api-docs.neon.tech/reference/updateproject for more
 info.

errors/opengb/invalid-variable.md → errors/backend/invalid-variable.md

@@ -1,9 +1,9 @@
 ---
-name = "OPENGB_INVALID_VARIABLE"
+name = "BACKEND_INVALID_VARIABLE"
 description = "Environment variable is invalid: {reason}."
 http_status = 400
 ---
 
-# OpenGB Invalid Variable
+# Backend Invalid Variable
 
 A provided environment variable is invalid.

errors/backend/module-db-not-found.md

@@ -0,0 +1,9 @@
+---
+name = "BACKEND_MODULE_DB_NOT_FOUND"
+description = "Backend module database not found."
+http_status = 404
+---
+
+# Backend Module DB Not Found
+
+The requested module database could not be found.

errors/backend/project-not-found.md

@@ -0,0 +1,9 @@
+---
+name = "BACKEND_PROJECT_NOT_FOUND"
+description = "Backend project not found."
+http_status = 404
+---
+
+# Backend Project Not Found
+
+The requested project could not be found.