chore: monorepo setup (#7175)

packages/discord.js/tslint.json

@@ -0,0 +1,29 @@
+{
+  "extends": ["dtslint/dtslint.json"],
+  "rules": {
+    "prefer-readonly": false,
+    "await-promise": false,
+    "no-for-in-array": false,
+    "no-null-undefined-union": false,
+    "no-promise-as-boolean": false,
+    "no-void-expression": false,
+    "strict-string-expressions": false,
+    "strict-comparisons": false,
+    "use-default-type-parameter": false,
+    "no-boolean-literal-compare": false,
+    "no-unnecessary-qualifier": false,
+    "no-unnecessary-type-assertion": false,
+    "expect": false,
+    "no-import-default-of-export-equals": false,
+    "no-relative-import-in-test": false,
+    "no-unnecessary-generics": false,
+    "strict-export-declare-modifiers": false,
+    "no-single-declare-module": false,
+    "member-access": true,
+    "no-unnecessary-class": false,
+    "array-type": [true, "array"],
+    "one-line": false,
+    "no-any-union": false,
+    "void-return": false
+  }
+}