Add readme

README.md

@@ -1,3 +1,21 @@
 # tv-image-denoising
 
-Using the TV algorithm to denoise images with c++ and cuda.
+Using the TV algorithm to denoise images with c++ and cuda.
+
+## Requirements
+    g++
+    vcpkg
+    cmake
+    opencv2
+    cuda
+## Build
+```bash
+# Generate build files
+cmake -B build .
+# Build
+cmake --build build
+```
+## Run
+```bash
+./TV_Denoising_CUDA <input_image>
+```