add patterns for json and source blocks in markdown

because in flat config, the path is resolved relative to the config file.
The added patterns are for when the central flat config is used.

common/tools/eslint-plugin-azure-sdk/src/configs/azure-sdk-customized.ts

@@ -188,7 +188,7 @@ export default (parser: FlatConfig.Parser): FlatConfig.ConfigArray => [
   },
   {
     name: "@azure/azure-sdk/recommended-json",
-    files: ["*.json"],
+    files: ["*.json", "*/*/*.json"],
     ignores: ["**/*.md/*.json", "**/src/**/*.json", "**/test/**/*.json"],
     languageOptions: {
       parser,

common/tools/eslint-plugin-azure-sdk/src/configs/markdown-customized.ts

@@ -11,7 +11,7 @@ const markdownConfigs: FlatConfig.ConfigArray = [
   },
   {
     name: "markdown-js-azsdk-customized",
-    files: ["*.md/*.js"],
+    files: ["*.md/*.js", "*/*/*.md/*.js"],
     languageOptions: {
       parserOptions: {
         project: true,
@@ -40,7 +40,7 @@ const markdownConfigs: FlatConfig.ConfigArray = [
   },
   {
     name: "markdown-ts-azsdk-customized",
-    files: ["*.md/*.ts"],
+    files: ["*.md/*.ts", "*/*/*.md/*.ts"],
     languageOptions: {
       parserOptions: {
         project: true,