Added @typescript-eslint/recommended config with suppressions (#2345)

* Disabled @blueprintjs/classes-constants. #2288.

* thuang-eslint-bp-off (#2344)

* Disabled @blueprintjs/classes-constants on webpack dev and shared. #2288.

* Added TS recommended, suppress lint errors codemod.

* Added per-error/warning ignore for tests.

* Added per-error/warning ignore for configuration.

* Added per-error/warning ignore for src. Removed suppress package.

* Minor linting.

Co-authored-by: Timmy Huang <tihuan@users.noreply.github.com>

client/configuration/babel/babel.prod.js

@@ -10,6 +10,7 @@ module.exports = {
       },
     ],
     "@babel/preset-react",
+    // eslint-disable-next-line prettier/prettier --- FIXME: disabled temporarily on migrate to TS.
     "@babel/preset-typescript"
   ],
   plugins: [