Rename Compton to Picom

They renamed the project and it’s been warning me about this for a while.

GNUmakefile

@@ -1,6 +1,6 @@
 include dotfiles.mk
 
-MODULES=xmodmap emacs compton cower mowedline
+MODULES=xmodmap emacs picom cower mowedline
 STOW=stow
 
 .PHONY: all clean $(MODULES) zsh
@@ -18,17 +18,15 @@ zsh:
 %-uninstall:
 	$(STOW) -D $(subst -uninstall,,$@)
 
-###########
-# Compton #
-###########
+# Picom
 
-compton: compton/.config/compton.conf
+picom: picom/.config/picom.conf
 
-compton/.config/compton.conf: compton/.config/compton.org
+picom/.config/picom.conf: picom/.config/picom.org
 	$(call tangle,conf)
 
-compton-clean:
-	rm -f compton/.config/compton.conf
+picom-clean:
+	rm -f picom/.config/picom.conf
 
 #########
 # Emacs #

compton/.config/.gitignore

@@ -1 +0,0 @@
-compton.conf

picom/.config/.gitignore

@@ -0,0 +1 @@
+picom.conf

picom/.config/picom.org

@@ -1,4 +1,7 @@
-#+TITLE: Compton config
+#+TITLE: Picom config
+
+*Note*: This used to be the configuration for Compton, but they've renamed Compton
+to Picom.
 
 Consider all windows grouped by =WM_TRANSIENT_FOR= to be focused when
 one window in the group has focus.