Improved ESLint configuration, integrated spellcheck and error fixes (#8931)

* integrate cspell with eslint, improved configuration

* core: fix linting errors

* core: fix lint warnings

* content: lint fixes

* process service lint fixes

* lint: process services cloud

* lint: insights

* lint: extensions

* [ci:force] lint: cli fixes

* [ci:force] comment out dead code

* [ci:force] exclude dead code

* fix code and tests

* rollback some changes

* fix testing lib

* fix demo shell

* minor lint warning fixes

* minor lint fixes

* fix process services

lib/cli/scripts/kube-utils.ts

@@ -63,6 +63,7 @@ export const deletePod = (args: KubeArgs) => {
 export const getNamespaces = (): string[] => {
     logger.info('Perform get namespaces name...');
     const result =  exec('kubectl', [`get`, `namespaces`, `-l`, `type=application`, `-o`, `name`], {});
+    // eslint-disable-next-line no-useless-escape
     const namespaces = result.replace(/namespace[\/]+/g, '').split(/\r?\n/);
     logger.info(`namespaces found: ${namespaces}`);
     return namespaces;