feat: add .gitconfig

.gitconfig

@@ -0,0 +1,95 @@
+###############################
+#                             #
+#     My Linux .gitconfig     #
+#                             #
+#        Last revision:       #
+#          2021-12-08         #
+#                             #
+###############################
+
+[alias]
+	; List aliases
+	aliases = config --get-regexp alias
+
+	; List all the contributors with commit amount
+	contributors = shortlog --summary --numbered
+
+	; Output verbose info about branches and tags
+	branches = branch -avv
+
+	; List all tags
+	tags = tag -l
+
+	; Pretty logs
+	plog = log --graph --decorate --all
+
+	; Pretty grep
+	gcommit = log --graph --decorate --grep
+
+[core]
+	# Your path might be different, but unlikely
+	# -- this needs to manually be set because
+	# -- GIT for Windows has it's own vim
+	# -- so it will run that instead.
+	; Set the editor to be used by GIT
+	editor = nvim
+
+	; Custom .gitignore
+	excludesfile = ~/.gitignore
+
+	; Treat trailing whitespaces and spaces before tabs as an error
+	whitespace = space-before-tab,-indent-with-non-tab,trailing-space
+
+[color]
+	; Use colors in GIT commands
+	ui = auto
+
+[commit]
+	; https://help.github.com/articles/signing-commits-using-gpg/
+	gpgsign = true
+
+[tag]
+	gpgsign = true
+
+[diff]
+	# Your path might be different, but unlikely
+	# -- this needs to manually be set because
+	# -- GIT for Windows has it's own vim
+	# -- so it will run that instead.
+	; Set the editor to be used by GIT
+	tool = nvimdiff
+
+[difftool]
+	prompt = true
+
+[difftool "nvimdiff"]
+	cmd = "nvim -d \"$LOCAL\" \"$REMOTE\""
+
+[merge]
+	# Your path might be different, but unlikely
+	# -- this needs to manually be set because
+	# -- GIT for Windows has it's own vim
+	# -- so it will run that instead.
+	tool = nvimdiff
+
+	; https://git-scm.com/docs/git-merge#_how_conflicts_are_presented
+	conflictstyle = diff3
+
+[mergetool]
+	; https://www.git-scm.com/docs/git-mergetool#Documentation/git-mergetool.txt---no-prompt
+	prompt = false
+
+[push]
+	; https://stackoverflow.com/questions/21839651/git-what-is-the-difference-between-push-default-matching-and-simple
+	default = simple
+
+	; git-push pushes relevant annotated tags when pushing branches out
+	followTags = true
+
+[user]
+	name = Alexandre Cavalheiro S. Tiago da Silva
+	email = <email>
+	signingkey = <key>
+
+[pull]
+	ff = only