chore: establish chub go foundation

docs/agent-context.schema.json

@@ -0,0 +1,12 @@
+{
+  "$schema":"https://json-schema.org/draft/2020-12/schema",
+  "type":"object",
+  "required":["schema","schema_version","bootstrap","routes","tasks"],
+  "properties":{
+    "schema":{"const":"docs/agent-context.schema.json"},
+    "schema_version":{"const":1},
+    "bootstrap":{"type":"array","items":{"type":"string"},"minItems":1},
+    "routes":{"type":"object","additionalProperties":{"type":"array","items":{"type":"string"}}},
+    "tasks":{"type":"object","required":["roadmap","directory","template"]}
+  }
+}