added leicester profile

conf/leicester.config

@@ -0,0 +1,16 @@
+//Profile config names for nf-core/configs
+params {
+  config_profile_description = 'ALICE and SPECTRE cluster profile provided by nf-core/configs.'
+  config_profile_contact = 'Matiss Ozols - mo246@leichester.ac.uk | mo11@sanger.ac.uk | matiss.ozols@manchester.ac.uk | mo513@cam.ac.uk'
+}
+
+singularity {
+  enabled = true
+  envWhitelist = 'TZ'
+}
+
+process {
+  executor = 'pbs'
+  queue = { task.time <= 24.h ? 'short' : task.time > 672.h ? 'long' : 'medium'}
+}
+