Add custom_env in form (#5)

form.yml.erb

 ---
 cluster: "SLURM_CLUSTER" 
 attributes:
+  custom_environment:
+    widget: text_area
+    label: Environment Setup
+    value: |
+      # If you would like to load other modules
+      # or add other things in your environment please list below
+      #
+      # format:
+      # module load example_module/VERSION example_module2
+      # export PATH=....
+
   bc_num_hours:
     value: 1
 
@@ -57,6 +68,7 @@ attributes:
   cuda_toolkit: "cuda10.0/toolkit"
 
 form:
+  - custom_environment
   - version
   - bc_num_hours
   - bc_partition

template/script.sh.erb

@@ -30,6 +30,8 @@ module load <%= context.cuda_toolkit %>
 <%- end -%>
 # Load the required environment
 module load <%= context.version %>
+
+<%= context.custom_environment %>
 # Launch MATLAB
 module list
 set -x