adding meat of site

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

.github/workflows/update-ui.yaml

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+name: Update Spack Cache Interface
+on:
+  workflow_dispatch:
+  schedule:
+    - cron:  '0 4 * * *'
+
+jobs:
+  extraction:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v3
+    - name: Clone development branch of spack
+      run: git clone https://github.com/spack/spack /opt/spackywoo    
+    - name: Run update script
+      run: |
+         export PATH=/opt/spackywoo/bin:$PATH
+         pip install -r requirements.txt
+         spack python generate_packages.py
+
+    - name: Push Results
+      run: |
+        git config --global user.name "github-actions"
+        git config --global user.email "github-actions@users.noreply.github.com"
+        git add _cache
+        git commit -m "Automated push with new spack cache data $(date '+%Y-%m-%d')" || exit 0
+        git push origin main || exit 0

.gitignore

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+spack-db
+_site
+.jekyll-cache

Gemfile

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+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem 'kramdown'
+gem 'kramdown-parser-gfm'
+gem 'webrick'
+
+group :jekyll_plugins do
+    gem "jekyll-feed", "~> 0.6"
+    gem "jekyll-sitemap"
+    gem "jekyll-paginate"
+end
+

README.md

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+# Spack Build Cache
+
+> What is currently in the build cache?
+
+This small interface provides a summary table that shows versions, compilers,
+total specs, and allows for basic search!
+
+![assets/img/portal.png](assets/img/portal.png)
+
+When you dig into a particular build cache package, you'll
+be presented with another view to inspect specs in detail, or search.
+
+![assets/img/entry.png](assets/img/entry.png)
+
+
+⭐️ [See the Build Cache!](https://spack.github.io/cache/) ⭐️
+
+## Usage
+
+You'll need a few dependencies:
+
+```bash
+$ pip install -r requirements.txt
+```
+
+You should then run the generate script with spack, which means that it needs to be
+on your path.
+
+```bash
+$ spack python generate_cache.py
+```
+
+This will generate a folder for each package in the cache under [_cache](_cache), each
+with a top level metadata file and a list of full specs. The specs are loaded on
+demand.
+
+```bash
+$ tree _cache/cub
+_cache/cub
+├── spec-0.json
+├── spec-10.json
+├── spec-11.json
+├── spec-1.json
+├── spec-2.json
+├── spec-3.json
+├── spec-4.json
+├── spec-5.json
+├── spec-6.json
+├── spec-7.json
+├── spec-8.json
+├── spec-9.json
+└── specs.md
+
+0 directories, 13 files
+```
+
+To view the interface locally, use jekyll:
+
+```bash
+$ bundle exec jekyll serve
+```
+
+The above would open to [http://localhost:4000/cache/](http://localhost:4000/cache/).
+You can then browse the cache.
+
+## Find an Issue?
+
+If you find a bug or want to contribute to the interface please [let us know!](https://github.com/spack/cache/issues).