init and some qol stuff for a modpack maker

venv.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if command -v python3 &> /dev/null; then
+    python="python3"
+else
+    python="python"
+fi
+
+if [ -d .venv ]; then exit 0; fi
+
+$python -m venv .venv
+source .venv/bin/activate
+
+$python -m pip install --upgrade pip
+$python -m pip install -r requirements.txt