chore: add local markdownlint config

Author: CameronBrooks11

.markdownlint-test.json

@@ -0,0 +1,9 @@
+{
+  "default": true,
+  "MD013": {
+    "line_length": 140,
+    "code_blocks": false,
+    "tables": false
+  },
+  "MD033": false
+}