Switch to 2.0 branch (#1152)

* Adapt boards to v2 partition tables

* fix esp log error

* fix display style

* reset emotion after download assets

* fix compiling

* update assets default url

* Add user only tools

* Add image cache

* smaller cache and buffer, more heap

* use MAIN_EVENT_CLOCK_TICK to avoid audio glitches

* bump to 2.0.0

* fix compiling errors

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Co-authored-by: Xiaoxia <terrence.huang@tenclass.com>

main/Kconfig.projbuild

@@ -6,6 +6,11 @@ config OTA_URL
     help
         The application will access this URL to check for new firmwares and server address.
 
+config DEFAULT_ASSETS_URL_PREFIX
+    string "Default Assets URL Prefix"
+    default "https://files.xiaozhi.me/assets/default/"
+    help
+        The assets will be downloaded from this URL.
 
 choice
     prompt "Default Language"