Add Git LFS configuration, .gitignore, and README for setup instructions

README.md

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+# LFS (Large File Storage) Template Repository 🚀
+
+## 🛠️ Git LFS Setup
+
+### Windows
+```bash
+# With Chocolatey
+choco install git-lfs
+
+# With Scoop
+scoop install git-lfs
+
+```
+
+### macOS
+```bash
+# With Homebrew
+brew install git-lfs
+
+# With MacPorts
+sudo port install git-lfs
+```
+
+### Linux (Ubuntu/Debian)
+```bash
+curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | sudo bash
+sudo apt-get install git-lfs
+```
+
+### Linux (CentOS/RHEL/Fedora)
+```bash
+curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.rpm.sh | sudo bash
+sudo yum install git-lfs
+```