feat: documents and session tokens

.markdownlint-cli2.jsonc

@@ -0,0 +1,5 @@
+{
+  // Which files markdownlint-cli2 checks; the rules themselves are in .markdownlint.jsonc.
+  "globs": ["**/*.md"],
+  "ignores": [".pixi/**", "node_modules/**"]
+}