Rename icon & desktop and add install-all in Makefile (#96)

* Rename in Makefile

Renamed {icon,desktop} => install-{icon,desktop}

* Add install-all in Makefile

* Added .PHONY targets and renamed icon_cleanup

Added .PHONY targets and renamed icon_cleanup to uninstall_icon

* Update README.md

Co-authored-by: TAAPArthur <taaparthur@gmail.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/README.md b/README.md
index ff5bb4c..735bad3 100644
--- a/README.md
+++ b/README.md
@@ -82,11 +82,15 @@ Installing nsxiv:
 
 Installing desktop entry:
 
-    # make desktop
+    # make install-desktop
 
 Installing icons:
 
-    # make icon
+    # make install-icon
+
+Installing all of the above:
+
+    # make install-all
 
 Please note, that these requires root privileges.
 By default, nsxiv is installed using the prefix `/usr/local`, so the full path