Fix broken links oracle page

Signed-off-by: Michiel Mulders <[email protected]>

Author: michielmulders

hedera/open-source-solutions/oracle-networks.mdx

@@ -11,19 +11,19 @@ Hedera supports integration with multiple oracle networks, each offering unique
   <Card
     title="PYTH"
     img="/images/open-source-solutions/oracle-networks/image.jpg"
-    href="hedera/open-source-solutions/oracle-networks/pyth-network-oracle.mdx"
+    href="/hedera/open-source-solutions/oracle-networks/pyth-network-oracle"
     arrow
 />
   <Card
     title="SUPRA"
     img="/images/open-source-solutions/oracle-networks/image2.jpg"
-    href="hedera/open-source-solutions/oracle-networks/supra-oracles.mdx"
+    href="/hedera/open-source-solutions/oracle-networks/supra-oracles"
     arrow
 />
   <Card
     title="CHAINLINK"
     img="/images/open-source-solutions/oracle-networks/image3.jpg"
-    href="hedera/open-source-solutions/oracle-networks/chainlink-oracles.mdx"
+    href="/hedera/open-source-solutions/oracle-networks/chainlink-oracles"
     arrow
 />
 </Columns>