js editor + fix js runner

src/rules/rules.ts

@@ -45,4 +45,7 @@ export const findCharacterRuleBookByCharacterId = (characterId: number): Promise
     .catch(() => ({characterId, ruleBookId: '', bindings: {}}));
 
 export const setCharacterRuleBookForCharacter = (characterId: number, ruleBook: SetCharacterRuleBookRequest): Promise<CharacterRuleBookResponse> => characterRuleBookApi.setCharacterRuleBookForCharacter(characterId, ruleBook)
-    .then(response => response.data);
+    .then(response => response.data);
+
+export const fetchScriptDefinitions = (): Promise<string> =>
+    ruleBookApi.getScriptDefinitions({responseType: 'text'}).then(response => response.data);