build core, basic and go variants and add template

core/shell/profile

@@ -0,0 +1,24 @@
+# Set editor
+EDITOR='nvim'
+alias vim='nvim'
+alias vi='nvim'
+
+# Configure history
+HISTCONTROL=ignoreboth
+unset HISTFILE
+
+# Handy aliases
+alias la='ls -A'
+alias ll='la -l'
+alias ..='cd ..'
+alias e='exit'
+
+# Git branch helper
+git_branch_prompt() {
+  local branch="$(git branch --show-current 2> /dev/null)"
+  [[ -z "$branch" ]] || echo "[${branch}]"
+}
+
+# Colorful command prompt
+PS1='\[\e[33m\][\[\e[0m\]\W\[\e[33m\]]\[\e[32m\]$(git_branch_prompt)\[\e[33m\]\$\[\e[37m\] '
+trap 'printf \\e[0m' DEBUG