Quote shell-sourced env examples

Author: jscgh

.env.example

@@ -2,8 +2,8 @@
 # Runtime settings
 OOD_RESULTS_URL_BASE=/pun/sys/dashboard/files/fs
 PFOLD_SCRIPT_FILE=/path/to/proteinfold/bin/start-alphafold2.sh
-PFOLD_NATIVE_DEFAULT=-A your_project;-l select=1:ncpus=2:mem=4gb;-l walltime=48:00:00
-PFOLD_NATIVE_GPU=-l select=1:ncpus=8:ngpus=1:mem=124gb;-l walltime=12:00:00
+PFOLD_NATIVE_DEFAULT="-A your_project;-l select=1:ncpus=2:mem=4gb;-l walltime=48:00:00"
+PFOLD_NATIVE_GPU="-l select=1:ncpus=8:ngpus=1:mem=124gb;-l walltime=12:00:00"
 
 # Pipeline locations
 PFOLD_RUN_ENVIRONMENT=prod