Record schema creation and modification times

We get this from the git history. It would be possible to record author
information too.

.dockerignore

@@ -1,4 +1,3 @@
-.git
 deploy/node_modules
 deploy/schemas.json
 validate/node_modules

deploy/bin/find-schemas.js

@@ -1,7 +1,9 @@
+import fs from "fs";
 import $fs from "fs/promises";
 import $path from "path";
 
 import Walk from "@root/walk";
+import git from "isomorphic-git";
 
 const ignore = new Set([
     ".git", ".githooks", ".github",
@@ -81,10 +83,18 @@ for (const sch of schemas.values()) {
     if (!sch.uuid)
         continue;
 
+    const changes = (await git.log({
+        fs, 
+        dir:        "..", 
+        filepath:   $path.relative("..", sch.path),
+    })).map(l => l.commit.author.timestamp);
+
     configs[sch.uuid] = {
         metadata: {
             name:       sch.name,
             version:    sch.version,
+            created:    changes.at(-1),
+            modified:   changes.at(0),
         },
         schema: {
             ...fixup(sch.json),

deploy/package.json

@@ -12,6 +12,7 @@
   "license": "ISC",
   "dependencies": {
     "@amrc-factoryplus/service-client": "^1.3.6",
-    "@root/walk": "^1.1.0"
+    "@root/walk": "^1.1.0",
+    "isomorphic-git": "^1.27.1"
   }
 }