fix builds, add basic readme & ignore .cache folder

README.md

@@ -0,0 +1,22 @@
+# [Kerberos Docs](https://doc.kerberos.io)
+
+
+## Installation
+
+Make sure you have Node JS and Yarn installed.
+
+Grab the dependencies:
+
+    $ yarn install
+
+
+## Development
+
+Run the docs locally for development:
+
+    $ yarn dev
+
+For a static site build:
+
+    $ yarn build
+