Add GitHub Actions

.github/workflows/aoc-2024.yml

@@ -0,0 +1,36 @@
+name: Advent of Code 2024
+
+on:
+  push:
+    branches: 
+      - main
+    paths:
+      - 2024/**
+      - 2024.Tests/**
+
+  pull_request:
+    paths:
+      - 2024/**
+      - 2024.Tests/**
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up .NET
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: '8.0'
+
+      - name: Restore dependencies
+        run: dotnet restore Advent-of-Code-2024.sln
+
+      - name: Build project
+        run: dotnet build Advent-of-Code-2024.sln --no-restore
+
+      - name: Run tests
+        run: dotnet test 2024.Tests/2024.Tests.csproj --no-build --verbosity normal

.gitignore

@@ -4,6 +4,9 @@
 .*
 !.gitignore
 
+# Include GitHub configurations
+!.github
+
 # User-specific files
 *.suo
 *.user

2024/README.md

@@ -1,8 +1,10 @@
 # Advent of Code 2024
 Welcome to my repository, which contains my attempts at solving the 
-puzzles of [Advent of Code 2024](https://adventofcode.com/2024/). 
-This year I will try to better document my process and things that
-I have learned. Good luck to everyone participating this year!
+puzzles of [Advent of Code 2024]. This year I will try to better document 
+my process and things that I have learned. Good luck to everyone 
+participating this year!
+
+[Advent of Code 2024]: https://adventofcode.com/2024/
 
 ## New things I've learned
 Anything that I learn, and anything that I forgot and now discover,
@@ -36,3 +38,12 @@ publication directory.
 </Target>
 ```
 
+### LINQ Zip method
+
+For [Day 1] I needed a way to process two sets of data simultaneously. 
+Apparently that is exactly what [Zip] does!
+
+[Day 1]: https://adventofcode.com/2024/day/1
+[Zip]: https://learn.microsoft.com/en-us/dotnet/csharp/linq/standard-query-operators/projection-operations#zip
+
+