feat(llama.cpp): add llama.cpp comprehensive recipes

Covers building, installing, running models with llama-server, and complete uninstallation of llama.cpp.

recipes/llama.cpp/01_install-llama-cpp.md

@@ -0,0 +1,77 @@
+# Install llama.cpp
+
+This recipe builds and installs llama.cpp from source on Debian/Ubuntu, including build dependencies and the `llama-server` binary.
+
+## Install Build Dependencies
+
+```bash
+sudo apt update
+sudo apt install -y build-essential cmake git libcurl4-openssl-dev
+```
+
+## Clone Repository
+
+```bash
+git clone https://github.com/ggml-org/llama.cpp
+cd llama.cpp
+```
+
+## Build Project
+
+```bash
+cmake -B build
+cmake --build build --config Release -j $(nproc)
+```
+
+## Install Binaries
+
+```bash
+sudo cmake --install build
+sudo ldconfig
+```
+
+## Verify Installation
+
+```bash
+llama-server --version
+```
+
+Expected output:
+
+```text
+version: xxxx (xxxxxxxx)
+```
+
+## Verify Binary Location
+
+```bash
+which llama-server
+```
+
+Expected output:
+
+```text
+/usr/local/bin/llama-server
+```
+
+## Troubleshooting
+
+### Command not found
+
+Verify that the binary was installed.
+
+```bash
+ls /usr/local/bin/llama-server
+```
+
+If it is missing, repeat the build and install steps.
+
+### Build fails with missing dependency
+
+Verify the build dependencies are installed.
+
+```bash
+dpkg -l | grep -E "build-essential|cmake|libcurl4-openssl-dev"
+```
+
+If any are missing, repeat the dependency installation step.