take over Jekyll structure from example project

Messing with the project structure led to nothing much.
So I basically copied the example structure from https://github.com/jsanz/gh-pages-minima-starter

Author: arnemertz

docs/_config.yml

@@ -18,13 +18,13 @@
 # You can create any custom variable you would like, and they will be accessible
 # in the templates via {{ site.myvariable }}.
 
-title: Fix - Documentation and Dev Diary
-email: fix@arne-mertz.de
+title: Fix
+
 description: >- # this means to ignore newlines until "baseurl:"
-  You can find the dev diary <a href="https://arne-mertz.de/category/fix-dev-diary/>at my blog</a>
-  as well, among posts about C++ and maintainable code.
-baseurl: "" # the subpath of your site, e.g. /blog
+  Dev diary and associated documentation for the Fix toy project
+baseurl: "/fix" # the subpath of your site, e.g. /blog
 url: "" # the base hostname & protocol for your site, e.g. http://example.com
+
 twitter_username: arne_mertz
 github_username:  arnemertz
 
@@ -33,6 +33,14 @@ theme: minima
 plugins:
   - jekyll-feed
 
+header_pages:
+  - _pages/frontpage.md
+  - _pages/about.md
+  - _pages/archive.md
+
+include:
+  - _pages
+
 # Exclude from processing.
 # The following items will not be processed, by default.
 # Any item listed under the `exclude:` key here will be automatically added to
@@ -52,3 +60,7 @@ plugins:
 #   - vendor/cache/
 #   - vendor/gems/
 #   - vendor/ruby/
+exclude:
+  - .gitignore
+  - Gemfile
+  - Gemfile.lock

docs/404.html renamed to docs/_pages/404.html

@@ -0,0 +1,14 @@
+---
+permalink: /archive
+layout: page
+title: Dev Diary Archive
+---
+
+
+<ul>
+  {% for post in site.posts %}
+    <li>
+      <a href=".{{ post.url }}">{{ post.title }}</a>
+    </li>
+  {% endfor %}
+</ul>

docs/about.md renamed to docs/_pages/about.md

@@ -0,0 +1,8 @@
+---
+permalink: /
+layout: home
+title: Home
+list_title: Dev diary
+---
+
+This is the site for some documentation regarding Fix, but mostly the dev diary.