Updated readme, config + gitignore

In preparation for pre-compiled binaries.

Author: scruffykat

.gitignore

@@ -1 +1,2 @@
-.DS_Store
+.DS_Store
+temp-releases

macos-hello/src-tauri/tauri.conf.json

@@ -6,7 +6,7 @@
   },
   "package": {
     "productName": "macOS Hello",
-    "version": "0.0.0"
+    "version": "0.1.0"
   },
   "tauri": {
     "allowlist": {
@@ -37,7 +37,7 @@
     "bundle": {
       "active": true,
       "targets": "all",
-      "identifier": "com.tauri.dev",
+      "identifier": "com.example.machello",
       "icon": [
         "icons/32x32.png",
         "icons/128x128.png",