fix: add 'use strict' to .eslintrc.js (#141)

cacache wants that rule to replace a test and this file fails linting hehe

Author: wraithgar

.eslintrc.js

@@ -1,5 +1,7 @@
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)

lib/content/eslintrc.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)

tap-snapshots/test/apply/full-content.js.test.cjs

@@ -23,6 +23,8 @@ module.exports = {
 ========================================
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)
@@ -497,6 +499,8 @@ module.exports = {
 ========================================
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)
@@ -1277,6 +1281,8 @@ workspaces/a/.eslintrc.js
 ========================================
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)
@@ -1353,6 +1359,8 @@ workspaces/b/.eslintrc.js
 ========================================
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)