feat: add PARAGON_THEME_URLS to env files

Author: dcoa

.env

@@ -41,3 +41,5 @@ ENABLE_NOTICES=''
 CAREER_LINK_URL=''
 ENABLE_EDX_PERSONAL_DASHBOARD=false
 ENABLE_PROGRAMS=false
+# Fallback in local style files
+PARAGON_THEME_URLS={}

.env.development

@@ -47,3 +47,5 @@ ENABLE_NOTICES=''
 CAREER_LINK_URL=''
 ENABLE_EDX_PERSONAL_DASHBOARD=false
 ENABLE_PROGRAMS=false
+# Fallback in local style files
+PARAGON_THEME_URLS={}

.env.test

@@ -46,3 +46,4 @@ ENABLE_NOTICES=''
 CAREER_LINK_URL=''
 ENABLE_EDX_PERSONAL_DASHBOARD=true
 ENABLE_PROGRAMS=false
+PARAGON_THEME_URLS={}