add aria2c pyaria2-rpc

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "sys.py/pyaria2-rpc"]
+	path = sys.py/pyaria2-rpc
+	url = https://github.com/cuu/pyaria2-rpc.git

aria2.conf

@@ -0,0 +1,9 @@
+  max-connection-per-server=5
+  enable-rpc=true
+  rpc-allow-origin-all=true
+  rpc-listen-all=true
+  log-level=error
+  log=/tmp/aria.log
+  dir=~/aria2download
+  daemon=true
+  allow-overwrite=true