Add shebangs to all sh files

scripts/on_env_start.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 printf "\n\nStable Diffusion UI\n\n"
 
 if [ -f "scripts/install_status.txt" ] && [ `grep -c sd_ui_git_cloned scripts/install_status.txt` -gt "0" ]; then

scripts/on_sd_start.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 cp sd-ui-files/scripts/on_env_start.sh scripts/
 
 source installer/etc/profile.d/conda.sh

scripts/post_activate.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 conda-unpack
 
 source $CONDA_PREFIX/etc/profile.d/conda.sh

scripts/start.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 source installer/bin/activate
 
 conda-unpack