chore: Include two additional spectral rules (planning#213)

.spectral.yml

@@ -20,3 +20,22 @@ rules:
 
   # HTTP Status 429 (rate limiting) is handeled via reverse proxy
   use-problem-json-for-errors: off
+  path-parameters-camelcase:
+    given: $..parameters[?(@.in == 'path')].name
+    then:
+      function: casing
+      functionOptions:
+        type: camel
+        disallowDigits: true
+    message: Path parameters should be camelCase and not contain digits
+    severity: error
+
+  query-parameters-camelcase:
+    given: $..parameters[?(@.in == 'query')].name
+    then:
+      function: casing
+      functionOptions:
+        type: camel
+        disallowDigits: true
+    message: Query parameters should be camelCase and not contain digits
+    severity: error