Add a sample config file and a Makefile to make running (for testing) easier

.editorconfig

@@ -6,3 +6,7 @@ indent_size = 2
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[Makefile]
+indent_style = tab
+indent_size = 8

Makefile

+all:
+	ninja -C build
+
+install:
+	ninja -C build install
+
+uninstall:
+	ninja -C build uninstall
+
+clean:
+	ninja -C build clean
+
+run: all
+	WIREPLUMBER_MODULE_DIR=build/modules \
+	WIREPLUMBER_CONFIG_FILE=src/wireplumber.conf \
+	$(DBG) ./build/src/wireplumber
+
+gdb:
+	$(MAKE) run DBG=gdb
+
+valgrind:
+	$(MAKE) run DBG="DISABLE_RTKIT=1 valgrind"

src/wireplumber.conf

+load-module C libwireplumber-module-pipewire
+load-module C libwireplumber-module-pw-audio-softdsp-endpoint
+load-module C libwireplumber-module-pw-alsa-udev