docs(NA): adds @kbn/test-subj-selector into ops devdocs (#132505)

dev_docs/operations/operations_landing.mdx

@@ -45,5 +45,6 @@ layout: landing
     { pageId: "kibDevDocsOpsExpect" },
     { pageId: "kibDevDocsOpsAmbientStorybookTypes" },
     { pageId: "kibDevDocsOpsAmbientUiTypes"},
+    { pageId: "kibDevDocsOpsTestSubjSelector"},
   ]}
 />

nav-kibana-dev.docnav.json

@@ -200,7 +200,8 @@
             { "id": "kibDevDocsOpsJestSerializers" },
             { "id": "kibDevDocsOpsExpect" },
             { "id": "kibDevDocsOpsAmbientStorybookTypes" },
-            { "id": "kibDevDocsOpsAmbientUiTypes" }
+            { "id": "kibDevDocsOpsAmbientUiTypes" },
+            { "id": "kibDevDocsOpsTestSubjSelector"}
           ]
         }
       ]

packages/kbn-test-subj-selector/BUILD.bazel

@@ -18,7 +18,6 @@ filegroup(
 
 NPM_MODULE_EXTRA_FILES = [
   "package.json",
-  "README.md",
 ]
 
 RUNTIME_DEPS = []

packages/kbn-test-subj-selector/README.md

@@ -1,3 +0,0 @@
-# test-subj-selector
-
-Convert a string from test subject syntax to css selectors.

packages/kbn-test-subj-selector/README.mdx

@@ -0,0 +1,10 @@
+---
+id: kibDevDocsOpsTestSubjSelector
+slug: /kibana-dev-docs/ops/test-subj-selector
+title: "@kbn/test-subj-selector"
+description: An utility package to quickly get css selectors from strings
+date: 2022-05-19
+tags: ['kibana', 'dev', 'contributor', 'operations', 'test', 'subj', 'selector']
+---
+
+Converts a string from a test subject syntax into a css selectors composed by `data-test-subj`.