feat: add WSL2 1Password SSH Agent bridge setup and update README with instructions

.bashrc

@@ -16,6 +16,11 @@ if [ -f /etc/os-release ]; then
     fi
 fi
 
+# For microsoft-standard-WSL2 in uname -a
+if [[ "$(uname -a)" == *"microsoft-standard-WSL2"* ]]; then
+    source $HOME/.agent-bridge.sh
+fi
+
 # Docker Compose Alias (Mostly for old shell scripts)
 alias docker-compose='docker compose'