Cleanup zshrc k8s krew config

* https://jvns.ca/blog/2024/02/16/popular-git-config-options/

.gitconfig

@@ -4,6 +4,7 @@
 [merge]
 	tool = meld
 	conflictStyle = zdiff3
+	keepbackup = false
 
 [alias]
 	plog = log --graph --pretty=format:'%h -%d %s %n' --abbrev-commit --date=relative --branches
@@ -27,6 +28,7 @@
 	smtpServerPort = 587
 [diff]
 	wsErrorHighlight = all
+	algorithm = histogram
 [cola]
 	spellcheck = false
 [push]
@@ -58,3 +60,9 @@
 	allow = always
 [column]
 	ui = auto
+[rebase]
+	autosquash = true
+[branch]
+	sort = -committerdate
+[fetch]
+	prune = true

.zshrc

@@ -251,19 +251,27 @@ else
     ruby_gem_user_dir=''
 fi
 
+# kubectl plugin manager Krew
+export KREW_ROOT="~/.config/krew"
+if [[ -d "${KREW_ROOT}/bin" ]]; then
+    krew_bin_path="${KREW_ROOT}/bin"
+else
+    krew_bin_path=''
+fi
+
+
 # ZSH allows $PATH to be used as an array
 path=(
     ~/.bin
     ~/.local/bin
+    ${ruby_gem_user_dir}
+    ${krew_bin_path}
     /usr/bin/site_perl
     /usr/bin/vendor_perl
     /usr/bin/core_perl
-    "${ruby_gem_user_dir}"
     $path
 )
 
-export PATH="${KREW_ROOT:-$HOME/.krew}/bin:$PATH"
-
 HISTSIZE=100000
 SAVEHIST=100000