pass theme and colorscheme in tss context to avoid repetitions (#1241)

commafeed-client/src/tss.ts

@@ -1,11 +1,14 @@
+import { useMantineTheme } from "@mantine/core"
+import { useColorScheme } from "hooks/useColorScheme"
 import { createTss } from "tss-react"
 
 const useContext = () => {
     // return anything here that will be accessible in tss.create()
-    // we don't need anything right now
-    return {}
+
+    const theme = useMantineTheme()
+    const colorScheme = useColorScheme()
+
+    return { theme, colorScheme }
 }
 
 export const { tss } = createTss({ useContext })
-
-export const useStyles = tss.create({})