Import GitHub Actions and README from old repo

Adjust workflow as needed for new structure

.github/workflows/publish.yml

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+name: Deploy site
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          persist-credentials: false
+
+      - name: Package files
+        run: |
+          cd archive
+          chmod +x build.sh
+          ./build.sh
+
+      # to get README.md to webpage as well as GitHub's UI
+      - name: Pre-generation of directory listing
+        run: cp README.md out/README.md
+
+      - name: Github Pages Directory Listing
+        uses: jayanta525/github-pages-directory-listing@main
+        with:
+          FOLDER: out
+
+      # these shouldn't be in apindex, but need to be in repo root for GitHub Pages
+      - name: Pre-generation of directory listing
+        run: |
+          mkdir public
+          cp -r out/* public
+          cp CNAME public
+          touch public/.nojekyll 
+
+      - name: Deploy 🚀
+        uses: JamesIves/github-pages-deploy-action@v4.4.3
+        with:
+          repository-name: DS-Homebrew/flashcard-archive-web
+          token: ${{ secrets.WEB_PUSH_TOKEN }}
+          branch: gh-pages # The branch the action should deploy to.
+          folder: public # The folder the action should deploy.
+          clean: true # Automatically remove deleted files from the deploy branchimage: ubuntu:bionic

README.md

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+# flashcard-archive
+This is an archive of all the flashcard firmwares for the Nintendo DS
+
+Some kernels are in different locations, or have consolidated as they are identical carts:
+
+- `Ace3DS+_R4iLS` folder:
+  - Ace3DS+
+  - Ace3DS X
+  - \### in 1 combo cart
+  - r4isdhc.com.cn carts
+  - r4isdhc.hk 2020+ carts
+  - r4li.com carts
+  - r4infinity.com 2
+  - r4ixds.com 2014 white version
+  - woodr4isdhc.com carts
+  - (please raise an issue if you think your cart is an Ace3DS+ or R4iLS clone!)
+
+These carts may support BL2CK OS. Only these carts are confirmed to actually work so far:
+- Default version:
+  - r4i3d.com NEW, 2012+
+  - r4igold.cc 3DS
+  - r4i-gold.me 2014-2015
+  - r4isdhc.hk carts with no year number, or before 2020
+  - r4isdhc.com NEW/2013 carts
+  - r4isdhc.com Dual-Core (no year number)
+  - r4i-drive.com carts
+  - R4 Ultra and Acekard 2/2.1/2i carts that cannot run AKAIO due to being a clone
+  - R4iTT 3DS NEW, RTS
+  - r4infinity.com Dual-Core
+  - r4isdhc.in 2014
+  - R4i Gold 3DS Plus with faulty DS mode
+  - r4-pro.com carts
+  - r4dspro.com carts
+- Amaze3DS version:
+  - r4igold.cc Wood 
+  - Amaze3DS (use the Amaze3DS version)
+
+These carts may support BL2CK OS, but have not been attempted. This information is based on its provided DLDI, which are identical.  
+Please do not attempt cross-loading without knowing what you're doing.
+- 3dslink.com Blue
+- r4ixds.com 2014-2016 non-white
+- r4i-gold.me 2013
+- r4i-gold.com 3DS Gold Pro
+- amazekard.com cards
+- Galaxy Eagle cards (use the Amaze3DS version and rename _DS_MENU.dat to ge.nds)