feat: execute files check via docker cli

WARNING: possible command injection vunerability.

server/src/containers/cli.js

@@ -0,0 +1,16 @@
+import { exec } from 'child_process'
+
+import { buildFileCheckCmd } from '@linux-odyssey/utils'
+
+// eslint-disable-next-line import/prefer-default-export
+export function checkFiles(id, files) {
+  return new Promise((resolve) => {
+    const cmd = buildFileCheckCmd(files)
+    // WARNING: This is not secure!
+    exec(`docker exec ${id} ${cmd}`, (error, stdout, stderr) => {
+      console.log('stdout', stdout)
+      console.log('stderr', stderr)
+      resolve(!error)
+    })
+  })
+}