Feat: save waveform as file (#118)

* package rpm

* cache waveform data as file in library

* clear waveform data in db

* fix some css

enjoy/src/renderer/components/posts/post-audio.tsx

@@ -165,7 +165,7 @@ const WavesurferPlayer = (props: {
 
       <div
         ref={ref}
-        className="bg-white rounded-lg grid grid-cols-9 items-center relative h-[80px]"
+        className="bg-background rounded-lg grid grid-cols-9 items-center relative h-[80px]"
       >
         {!initialized && (
           <div className="col-span-9 flex flex-col justify-around h-[80px]">

enjoy/src/renderer/components/posts/post-card.tsx

@@ -20,7 +20,7 @@ export const PostCard = (props: {
   const { user } = useContext(AppSettingsProviderContext);
 
   return (
-    <div className="rounded p-4 bg-white space-y-3">
+    <div className="rounded p-4 bg-background space-y-3">
       <div className="flex items-center justify-between">
         <div className="flex items-center space-x-2">
           <Avatar>