processDayone was failing if an inputZip wasn't provided. This is minimal changes to allow updating all generated content without processing an input zip. It's a step toward #12, allowing iterative updates

@@ -104,3 +110,3 @@
 
 // now write the files out
-execSync(`mkdir ${root}/tags`)
+execSync(`mkdir -p ${root}/tags`)

@@ -37,11 +37,15 @@ const processedFrontmatterData = generatedDirs.reduce((links, dir) => {
   const path = `${root}/${dir}`
   const relativeUrl = `${dir}`
   
+  if (dir == 'tags') {

@@ -42,3 +46,3 @@
   if (!pathInfo.isDirectory()) {
     console.log(`${path} is not a directory; ignoring`)
-    return
+    return links

@@ -58,2 +59,2 @@
-    execSync(`mogrify -auto-orient -resize 800x800 -strip '${path}/*.png[0]'`)
-  } catch (e) {
+  // clean up and resize the jpegs if loading from zip
+  if (inputZip) {