Add setup.sh

setup.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Clone the repositories if they do not already exist
+if [ ! -d "./splatter-image" ]; then
+    git clone https://github.com/szymanowiczs/splatter-image.git
+    cd splatter-image && pip install -r requirements.txt && cd ..
+fi
+
+if [ ! -d "./diff-gaussian-rasterization" ]; then
+    git clone https://github.com/graphdeco-inria/diff-gaussian-rasterization
+    cd diff-gaussian-rasterization && python setup.py build_ext --inplace && cd ..
+fi