docs: move Pyth oracle example into Financial Software section

Price feeds are used almost exclusively for financial applications
(AMMs, escrows, lending, derivatives) — grouping with the other
financial-software examples makes the category more useful and
discoverable. The standalone Oracles section only had one entry
anyway.

Author: mikemaccana-edwardbot

README.md

@@ -34,6 +34,12 @@ Create a fundraiser specifying a target mint and amount. Contributors deposit to
 
 [⚓ Anchor](./tokens/token-fundraiser/anchor) [💫 Quasar](./tokens/token-fundraiser/quasar)
 
+### Pyth Price Feeds
+
+Read offchain price data onchain using the Pyth oracle network.
+
+[⚓ Anchor](./oracles/pyth/anchor) [💫 Quasar](./oracles/pyth/quasar)
+
 ## Basics
 
 ### Hello Solana
@@ -318,14 +324,6 @@ Work with Metaplex compressed NFTs.
 
 [⚓ Anchor](./compression/cutils/anchor) [💫 Quasar](./compression/cutils/quasar)
 
-## Oracles
-
-### Pyth Price Feeds
-
-Read offchain price data onchain using the Pyth oracle network.
-
-[⚓ Anchor](./oracles/pyth/anchor) [💫 Quasar](./oracles/pyth/quasar)
-
 ---
 
 **PRs welcome!** Follow the [contributing guidelines](./CONTRIBUTING.md) to keep things consistent.