docs: add GHA workflow

.github/workflows/docs.yml

@@ -0,0 +1,17 @@
+name: docs
+on:
+  push:
+    branches:
+      - main
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.x
+      - run: pip install mkdocs-material \
+          mkdocs-git-revision-date-localized-plugin
+      - run: mkdocs gh-deploy --force
+

docs/index.md

@@ -23,7 +23,7 @@ Current Features:
 Depends on `GNU Make`, obviously and `Python >=3.7`.
 
 Wait python?!?!, I'm not `pip` installing some package just to parse my makefile.
-I agree, all you need is one file [`.task.mk`](./task.mk).
+I agree, all you need is one file [`.task.mk`](https://github.com/daylinmorgan/task.mk/blob/main/task.mk).
 You can automagically include it with just two additional lines to your `Makefile` (and probably one to your `.gitignore`) and your good to go.
 
 ## Setup