sdbus++: parse error info yaml

Change-Id: I73361b6f9b48b32a206d1e6d3e52ff46195b3cbc
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/tools/example/net/poettering/Calculator.errors.yaml b/tools/example/net/poettering/Calculator.errors.yaml
new file mode 100644
index 0000000..730e2a3
--- /dev/null
+++ b/tools/example/net/poettering/Calculator.errors.yaml
@@ -0,0 +1,3 @@
+- name: DivisionByZero
+  description: >
+    An attempt to divide by zero was attempted.