[Minor] Migrate rules/controller/maps.lua to lua_shape

[Minor] Migrate rules/controller/maps.lua to lua_shape

Replace tableshape with lua_shape in controller maps plugin.

Changes:
- ts.shape { ... } → T.table({ ... })
- ts.array_of(x) → T.array(x)
- :is_optional() → :optional()
- Added documentation to all fields and schema

Schema: query_json_schema for validating map query requests
with optional maps filter and report_misses flag.