Build: added steps to generate packages api documentation. (#27930)

* added steps to generate docs.

* re-generated the drone.yml file.

* removed metrics reporting from pr pipeline.

* fixed spelling issues.

* fixed so package generation should work.

* some small refactorings.

* fixed spelling error.

* adding echo to verify that we execute the correct script.

* removed echo statement.

* changed scripts a bit.

* added ci flag to script.

* adding exit 1

* increased the limit.

* added missing space.

* fixed shellcheck error.

* fixing lint errors.

* renamed build step.

* changed logic.

* increased limit.

* changed to echo instead of echo -e

* fixed shellcheck errors.

* trying to debug script,

* trying to simplify the find statement.

* fixed issue with text formatting on linux.

* imported build step.

* Update scripts/ci-reference-docs-lint.sh

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* removed cleanup of packages.

* increased limit.

* will build frontend docs on master but not lint it.

* will always run the linting step.

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

package.json

@@ -26,6 +26,7 @@
     "packages:publishNext": "lerna publish from-package --contents dist --dist-tag next --yes",
     "packages:publishDev": "lerna publish from-package --contents dist --dist-tag dev --yes --registry http://grafana-npm.local:4873 --force-publish=*",
     "packages:typecheck": "lerna run typecheck",
+    "packages:clean": "lerna run clean",
     "precommit": "grafana-toolkit precommit",
     "prettier:check": "prettier --list-different \"**/*.{ts,tsx,scss}\"",
     "prettier:write": "prettier --list-different \"**/*.{ts,tsx,scss}\" --write",
@@ -74,7 +75,6 @@
     "@emotion/core": "10.0.27",
     "@grafana/api-documenter": "0.9.3",
     "@grafana/eslint-config": "2.0.3",
-    "@microsoft/api-extractor": "7.8.2-pr1796.0",
     "@rtsao/plugin-proposal-class-properties": "7.0.1-patch.1",
     "@testing-library/jest-dom": "^5.11.3",
     "@testing-library/react": "^10.4.8",
@@ -205,6 +205,7 @@
     "zone.js": "0.7.8"
   },
   "dependencies": {
+    "@grafana/api-extractor": "7.10.1",
     "@grafana/slate-react": "0.22.9-grafana",
     "@reduxjs/toolkit": "1.3.4",
     "@torkelo/react-select": "3.0.8",