Add Dragonfly Plus 1K network files

src/network-workloads/conf/dragonfly-plus/dfp_1k.conf

+LPGROUPS
+{
+   MODELNET_GRP
+   {
+      repetitions="160";
+# name of this lp changes according to the model
+      nw-lp="8";
+# these lp names will be the same for dragonfly-custom model
+      modelnet_dragonfly_plus="8";
+      modelnet_dragonfly_plus_router="1";
+   }
+}
+PARAMS
+{
+# packet size in the network
+   packet_size="4096";
+# order of LPs, mapping for modelnet grp
+   modelnet_order=( "dragonfly_plus","dragonfly_plus_router" );
+# scheduler options
+   modelnet_scheduler="fcfs";
+# chunk size in the network (when chunk size = packet size, packets will not be divided into chunks)
+   chunk_size="4096";
+# number of spine routers per group
+   num_router_spine="16";
+# number of leaf routers per group
+   num_router_leaf="16";
+# number of links connecting between group levels per router
+   num_level_chans="1";
+# number of groups in the network
+   num_groups="5";
+# buffer size in bytes for local virtual channels
+   local_vc_size="32768";
+# buffer size in bytes for global virtual channels
+   global_vc_size="32768";
+# buffer size in bytes for compute node virtual channels
+   cn_vc_size="32768";
+# bandwidth in GiB/s for local channels
+   local_bandwidth="25.0";
+# bandwidth in GiB/s for global channels
+   global_bandwidth="25.0";
+# bandwidth in GiB/s for compute node-router channels
+   cn_bandwidth="25.0";
+# ROSS message size
+   message_size="640";
+# number of compute nodes connected to router, dictated by dragonfly config file
+   num_cns_per_router="16";
+# number of global channels per router
+   num_global_connections="16";
+# network config file for intra-group connections
+   intra-group-connections="PATH_TO/dfp_1k_intra";
+# network config file for inter-group connections
+   inter-group-connections="PATH_TO/dfp_1k_inter";
+# routing protocol to be used - 'minimal', 'non-minimal-spine', 'non-minimal-leaf', 'prog-adaptive'
+   routing="prog-adaptive";
+# route scoring protocol to be used - options are 'alpha', 'beta', or 'delta' - 'gamma' has been deprecated
+   route_scoring_metric="delta";
+# minimal route threshold before considering non-minimal paths
+   adaptive_threshold="131072"; #1/16 of 32768
+}
+