update readme and docs

Author: truemagic-coder

README.md

@@ -433,8 +433,8 @@ Tools can be used from plugins like Solana Agent Kit (sakit) or via inline tools
 config = {
     "tools": {
         "solana": {
-            "private_key": "YOUR_SOLANA_WALLET_PRIVATE_KEY",   # Required: Your wallet's private key (base58 encoded string).
-            "rpc_url": "https://api.mainnet-beta.solana.com",  # Optional: Defaults to Solana mainnet RPC.
+            "private_key": "your-solana-wallet-private-key", # base58 encoded string
+            "rpc_url": "your-solana-rpc-url",
         },
     },
     "ai_agents": [

docs/index.rst

@@ -389,8 +389,8 @@ Solana
    config = {
       "tools": {
          "solana": {
-               "private_key": "YOUR_SOLANA_WALLET_PRIVATE_KEY",   # Required: Your wallet's private key (base58 encoded string).
-               "rpc_url": "https://api.mainnet-beta.solana.com",  # Optional: Defaults to Solana mainnet RPC.
+               "private_key": "your-solana-wallet-private-key", # base58 encoded string
+               "rpc_url": "your-solana-rpc-url",
          },
       },
       "ai_agents": [