Add information about configuration flags related to fsync usage

Author: Byron

Diff for: src/plumbing/progress.rs

@@ -214,6 +214,22 @@ static GIT_CONFIG: &[Record] = &[
         config: "core.eol",
         usage: Planned {note: Some("needed for filters, but also for doing diffs correctly")}
     },
+    Record {
+        config: "core.fsync",
+        usage: Planned {note: Some("more safety for disk write operations is a good thing, definitely on the server")}
+    },
+    Record {
+        config: "core.fsyncMethod",
+        usage: Planned {note: Some("needed to support `core.fsync`")}
+    },
+    Record {
+        config: "core.sharedRepository",
+        usage: NotPlanned {reason: "on demand"}
+    },
+    Record {
+        config: "core.createObject",
+        usage: NotPlanned {reason: "it's valuable not to do writes unless needed on the lowest level, but we hope to avoid issues by not writing duplicate objects in the first place"}
+    },
     Record {
     config: "clone.filterSubmodules,",
         usage: Planned {