feat(cli): make success message indicate dry run

CHANGELOG.md

@@ -1,6 +1,7 @@
 # v0.12.0
 
 - **[BREAKING CHANGE]** [#86](https://github.com/jeffijoe/typesync/issues/86): Use the DefinitelyTyped strategy for resolving typings versions. This also means we no longer use the existing semver range specifier used in `package.json`.
+- The success message after running `typesync` now indicates when `--dry` is used.
 - Upgrade packages.
 
 # v0.11.1

src/cli.ts

@@ -72,8 +72,10 @@ async function run(syncer: ITypeSyncer) {
   }
   C.success(
     totals.newTypings === 0
-      ? `No new typings added, looks like you're all synced up!`
-      : chalk`${totals.newTypings.toString()} new typings added.\n\n${syncedFilesOutput}\n\n✨  Go ahead and run {green npm install} or {green yarn} to install the packages that were added.`,
+      ? `No new typings to add, looks like you're all synced up!`
+      : flags.dry
+        ? chalk`${totals.newTypings.toString()} new typings can be added.\n\n${syncedFilesOutput}\n\n✨  Run {green typesync} again without the {gray --dry} flag to update your {gray package.json}.`
+        : chalk`${totals.newTypings.toString()} new typings added.\n\n${syncedFilesOutput}\n\n✨  Go ahead and run {green npm install} or {green yarn} to install the packages that were added.`,
   )
 }