feat: implement comprehensive Firebase Functions backend for equipment management and migrate core repository services

em2rp/functions/.eslintrc.js

@@ -4,7 +4,7 @@ module.exports = {
     node: true,
   },
   parserOptions: {
-    "ecmaVersion": 2018,
+    "ecmaVersion": 2020,
   },
   extends: [
     "eslint:recommended",
@@ -14,6 +14,14 @@ module.exports = {
     "no-restricted-globals": ["error", "name", "length"],
     "prefer-arrow-callback": "error",
     "quotes": ["error", "double", {"allowTemplateLiterals": true}],
+    "max-len": "off",
+    "valid-jsdoc": "off",
+    "require-jsdoc": "off",
+    "guard-for-in": "off",
+    "no-unused-vars": "warn",
+    "brace-style": "off",
+    "object-curly-spacing": "off",
+    "arrow-parens": "off",
   },
   overrides: [
     {