Newer keycloak, update env vars

makefile

@@ -4,14 +4,15 @@ run:
 	@docker run \
   -p 8080:8080 \
   -v $$(pwd)/hacktheplanet:/opt/keycloak/themes/hacktheplanet \
-  -e KEYCLOAK_ADMIN=admin \
-  -e KEYCLOAK_ADMIN_PASSWORD=admin \
+  -e KC_BOOTSTRAP_ADMIN_USERNAME=admin \
+  -e KC_BOOTSTRAP_ADMIN_PASSWORD=admin \
 	--name keycloakdev \
-  keycloak/keycloak:20.0.1 \
+  keycloak/keycloak:26.0.1 \
 	start-dev \
 	--spi-theme-static-max-age=-1 \
 	--spi-theme-cache-themes=false \
 	--spi-theme-cache-templates=false \
+	--spi-theme-login=hacktheplanet
 
 shell:
 	@docker exec -it keycloakdev /bin/bash