add: if statement support

Author: sonnyvesali

packages/common/src/scopeSupportFacets/dart.ts

@@ -4,4 +4,8 @@ import { ScopeSupportFacetLevel } from "./scopeSupportFacets.types";
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 const { supported, unsupported, notApplicable } = ScopeSupportFacetLevel;
 
-export const dartScopeSupport: LanguageScopeSupportFacetMap = {};
+export const dartScopeSupport: LanguageScopeSupportFacetMap = {
+  // list: supported,
+  // map: supported,
+  ifStatement: supported,
+};

queries/dart.scm

@@ -0,0 +1,4 @@
+
+;;!! if () {}
+;;!  ^^^^^^^^
+(if_statement) @ifStatement