NWC hardcoded keys (#1335)

* Include keys.json in NWC container image

* Update NWC ATTACH.md

docker/nwc/Dockerfile

@@ -10,3 +10,5 @@ RUN apt-get update -y \
   && apt-get clean \
   && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 RUN cargo build --release && cargo install --path .
+
+COPY keys.json .

docker/nwc/keys.json

@@ -0,0 +1 @@
+{"server_key":"4463b828d1950885de82b518efbfbe3dd6c35278e8ee5f6389721515b4c5e021","user_key":"0d1ef06059c9b1acf8c424cfe357c5ffe2d5f3594b9081695771a363ee716b67","sent_info":true}

wallets/nwc/ATTACH.md

@@ -1,7 +1,9 @@
-The nwc string is printed in the nwc container logs on startup ...
+Use this NWC string to attach the wallet for payments:
 
-Open the nwc container logs like this:
-
-```bash
-$ sndev logs nwc
 ```
+nostr+walletconnect://5224c44600696216595a70982ee7387a04bd66248b97fefb803f4ed6d4af1972?relay=wss%3A%2F%2Frelay.damus.io&secret=0d1ef06059c9b1acf8c424cfe357c5ffe2d5f3594b9081695771a363ee716b67
+```
+
+This won't work for receives since it allows `pay_invoice`.
+
+TODO: generate NWC string with only `make_invoice` as permission