Add ns docstrings for most ns in src/main

- Added to CI now that it passes
- Added no-doc for docstrings that don't add any more than what's in the
ns name or for ones where I didn't know the ns that well

src/main/frontend/fs/watcher_handler.cljs

@@ -1,4 +1,5 @@
 (ns frontend.fs.watcher-handler
+  "Main ns that handles file watching events from electron's main process"
   (:require [clojure.string :as string]
             [frontend.config :as config]
             [frontend.db :as db]