add missing file to git

modules/data/feeds/sources/adventofcomputing.com/default.json

@@ -0,0 +1,9 @@
+{
+  "description": "Welcome to Advent of Computing, the show that talks about the shocking, intriguing, and all too often relevant history of computing.  A lot of little things we take for granted today have rich stories behind their creation, in each episode we will learn how older tech has lead to our modern world.",
+  "is_podcast": true,
+  "site_name": "",
+  "site_url": "",
+  "title": "Advent of Computing",
+  "url": "https://adventofcomputing.libsyn.com/rss",
+  "velocity": 0.077
+}