Add ESLint plugin to assort Projen configuration file properties

[langri-sha]

Add a plugin that can be used to avoid things like these.

diff --git a/.projenrc.ts b/.projenrc.ts
index 90476ca..2ab9134 100644
--- a/.projenrc.ts
+++ b/.projenrc.ts
@@ -603,9 +603,10 @@ project.addSubproject(
         '@langri-sha/projen-lint-synthesized@workspace:*',
         '@langri-sha/projen-pnpm-workspace@workspace:*',
         '@langri-sha/projen-prettier@workspace:*',
+        '@langri-sha/projen-readme@workspace:*',
         '@langri-sha/projen-renovate@workspace:*',
-        '@langri-sha/projen-typescript-config@workspace:*',
         '@langri-sha/projen-swcrc@workspace:*',
+        '@langri-sha/projen-typescript-config@workspace:*',
         '[email protected]',
       ],
       devDeps: ['@types/[email protected]'],