docs: Add a one line download + start command script (#19)

I think maybe `handles.sh` is a better domain but I already had
`handles.run` and it sort of works (it's a command that can _run_ the
server) so we'll roll with it. Maybe `handles.zip` would be nice.

Author: shrink

README.md

@@ -6,13 +6,12 @@ managing many DNS records.
 
 ## Quickstart
 
-```console
-curl -LO https://github.com/prompt/handles-server/releases/download/v1/handles-server-linux
-chmod +x handles-server-linux
-DID_PROVIDER="memory" MEMORY_DOMAINS="example.com" MEMORY_DIDS="alice.example.com@did:plc:001" \
-./handles-server-linux
+```bash
+sh -c "$(curl -Ls https://handles.run)"
 ```
 
+...or [download the latest release][releases].
+
 ## Implementation
 
 A `handle` is a hostname (e.g: `alice.example.com`) which the server may or may
@@ -68,3 +67,4 @@ A string containing zero or more tokens which are replaced when rendering.
 | `{request.query}`   | Query included in the request                   | `greeting=Hello+World` ` ` |
 
 [atproto/resolution/well-known]: https://atproto.com/specs/handle#handle-resolution
+[releases]: https://github.com/prompt/handles-server/releases

download.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+os=$(uname -s | tr '[:upper:]' '[:lower:]')
+
+case "$os" in
+  darwin*) os="macos" ;;
+  linux*) os="linux" ;;
+  *)
+    echo "Sorry, operating system ${os} not supported by this install script."
+    exit 1
+    ;;
+esac
+
+echo "Identified your operating system as ${os}"
+
+file="handles-server-${os}"
+
+echo "Starting download of ${file} from github.com/prompt/handles-server"
+
+curl -L --progress-bar --output handles-server https://github.com/prompt/handles-server/releases/download/v1/handles-server-${os}
+chmod +x handles-server
+
+echo "handles-server is downloaded and ready to run."
+
+echo "Start demo of handles server using the in memory provider? (Y/n)"
+read response
+case "$response" in
+  [yY][eE][sS] | [yY] | "")
+    function ended_demo() {
+      printf "\n\n"
+      echo "> hopefully the demo was helpful!"
+      printf "\n"
+    }
+
+    echo "> Starting server for domain example.com with handles alice.example.com and bob.example.com"
+    sleep 0.5 # An articial delay for time to read the message
+    echo "> Test it out with: curl --header 'Host: alice.example.com' http://localhost:8888/.well-known/atproto-did"
+    sleep 1 # An articial delay for time to read the message
+    echo "> exit with ctrl+c once you're done."
+    sleep 0.5
+    printf "\n\n"
+    trap ended_demo INT
+    (
+      set -x
+      GIN_MODE=release LOG_LEVEL="debug" PORT=8888 DID_PROVIDER="memory" MEMORY_DOMAINS="example.com" MEMORY_DIDS="alice.example.com@did:plc:001,bob.example.com@did:plc:002" ./handles-server
+    )
+    ;;
+  *)
+    echo "> No problem, no demo today :)"
+    sleep 1
+    ;;
+esac
+
+echo "> handles-server is downloaded and ready to run."
+sleep 0.5
+echo "> any questions? visit https://github.com/prompt/handles-server or email [email protected] :)"